Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 275796: a right triangle has sides of 4 ft, 5 ft, and 1 yd. what is its perimeter in feet?
Click here to see answer by mananth(12270)

Question 275796: a right triangle has sides of 4 ft, 5 ft, and 1 yd. what is its perimeter in feet?
Click here to see answer by solver91311(16877)

Question 276038: If I have an isosceles triangle, and the hypotenuse is SQRT(6), what is the length of one leg?
Click here to see answer by richwmiller(9135)

Question 276010: How many distinct triangles with positive integer side lengths have perimeter equal to 50?
(1) 48 (2) 50 (3) 51 (4) 49 (5) None of the above
Click here to see answer by CharlesG2(828)

Question 276189: A 45-45-90 triangle has a leg of 4[SQRT(2)]. What is the hypotenuse?

Click here to see answer by richwmiller(9135)

Question 276266: what are the side lengths of a triangle that one angle measures 45 degreese and one side length is 6
Click here to see answer by solver91311(16877)

Question 276478: I am trying to figure the hypotenuse of a right triangle.
The vertical height of the ramp will be 10'. The horizontal base of the ramp is 15'. What is the length of the downward sloping side of the ramp?
Click here to see answer by checkley77(12569)

Question 276581: The area of a triangle is 77 inches and the base is 3 inches more then the hight what is the lenght of the Base?
Click here to see answer by EMStelley(187)

Question 276618: what is the perimeter of a triangle if one leg is 38.5cm, a second leg is y, and the third leg is y+22.5cm?

Click here to see answer by user_dude2008(1861)

Question 276622: Hello,
The question is... We are trying to measure the height of a building. We have a 1-meter long stick. When we set it on the ground, its shadow is 3 meters long. When we measure the shadow of the building, it is 57 meters long. How high is the building?
The options for the answers are...
I am thinking the answer is 40 m but, I am not sure. I would be grateful for any help available.
27 m
40 m
22 m
26 m
19 m
30 m
Click here to see answer by stanbon(57307)

Question 276635: You see the top of a television transmitter tower from your classroom. On the map, I see that it is 2 miles away. You know that the tower is 500 feet tall. You see that the very top leaves of a tree sometimes get in the way of the top of the tower. The tree is 50 yards from where you are in your classroom. How tall is the said tree?
7.1 ft
9.2 ft
5.1 ft
3.8 ft
2.6 ft
1.5 ft
I would be grateful for any assistance. I have tried to calculate the answer but, I seem to end up with 2.5 ft, which is not an option.
Click here to see answer by scott8148(6628)

Question 276753: I am helping my son with his homework
A=36 mi2,b=__________________,h=12mi

Click here to see answer by nyc_function(2733)

Question 276727: what is the length of the diagonal of a 3,4,5 triangle

Click here to see answer by nyc_function(2733)

Question 277136: I have a triangle PQR. Point G is located between P&Q and point J is located between P&R. Given the information below I need to find the values of x and y so that JG is parallel to RQ.
RQ=10
JG=8
PJ=8x-5
JR=x
PG=3y+2
QG=y
(I know that the answer's are 5/4 and 2 but I am not sure how??????)
Thanks for your help.

Click here to see answer by scott8148(6628)

Question 277223: the lenght of the legs of right triangle RST are 11 inch and 60 inch. what is the lenght, in inches of the hypotenose of triangle RST.
Click here to see answer by stanbon(57307)

Question 277242: The hypotenuse of a 45-45-90 triange is 12 centimeters long. Find the length of a leg.
Click here to see answer by dabanfield(803)

Question 277276: how do you find the perimeter to an triangle?
Click here to see answer by Alan3354(30993)

Question 277376: ANY POSSIBLE CALCULATIONS ;
Click here to see answer by Jeff Gordon(65)

Question 277604: what is the base of the triangle if the height is 95 and the answer is 1045
Click here to see answer by Alan3354(30993)

Question 277783: You have a triangle with sides of 1 and a side of SQRT(2), with an angle of 45° and an angle of 90°. Which of the following would be congruent to it?
a triangle with sides of 1 and 1
a triangle with a side of 1, then an angle of 90°, and a side of 1
a triangle with an angle of 90°, then a side of SQRT(2), then an angle of 45°
a triangle with a side of 1, then an angle of 90°, then a side of SQRT(2)
a triangle with the angles 45°, 45°, 90°
a triangle with a side of 1, then an angle of 45°, then a side of 1
I would be grateful for any help that is available.
Click here to see answer by richwmiller(9135)

Question 277782: You have a triangle with sides of 3, 4, and 5, and angles of 30° and 60°. Which of the following would be congruent to it?
a triangle with angles of 30°, 60°, and 90°
an angle of 90°
a triangle with a side measuring 3, next an angle of 60°, and next a side measuring 4
a triangle with sides of 6, 8, and 10
a triangle with sides of 3 and 4
a triangle with a side measuring 4, next an angle of 90°, and next a side measuring 3
I would be grateful for any assistance.
Click here to see answer by richwmiller(9135)

Question 276959: You have a 15' ladder leaning against a wall.
It just touches the edge of a 5'x5' shed in the corner.
How high up the wall does the ladder touch and
how far out from the wall does it rest on the ground?
|\
| \
| \
----
| | \
| | \
-------
I have tried using sin cos tan and a^2+b^2=c^2 but i can't seem to get it down to one variable that I can solve for or set them equal to.
Click here to see answer by stanbon(57307)

Question 277917: in an oblique triangle, find the side b if c =12, A = 50 degree 12', and B = 72 degree 58'
Click here to see answer by stanbon(57307)

Question 277897: I am having great difficulty with this problem.
I will try to explain the picture.
I have a right triangle ACB with (the 90 deg is at point C).
There is a line in the triangle EF parallel to AB.
There is also an altitude CD that starts at point C, passes through line EH, forming point H and hits line AB at point D.
I will try to post the image below:

Here is the question that baffles me.
If EF is parallel to AB, AD = 9, DB = 16, EC = 2(AE), find AE, AC, CF, CB, CD, and EF.
Thanks to anyone who can help.
Click here to see answer by edjones(7569)

Question 277939: The legs (base and height) of a right triangle are 3m and 4m. if the height of a similar right triangle is 2m, what is the other leg?
'I have an answer but I'm not sure of it.
I would be grateful for any assistance. Thank you.
Click here to see answer by Theo(3458)

Question 278065: Building A and building B are 200 and 900 feet respectively. Two two buildings are placed side by side and a telephone wire is connected from the top of building A to the top of building B creating a 20 degree angle from building B to building A. Find the distance between the two building. Round to two decimals.
__900 feet______B

__200 feet___A
email is onlyme511@live.com
I know I will use one of the trig functions, I just do not know how to setup the problem. Thanks for your help.

Click here to see answer by ankor@dixie-net.com(15649)

Question 278459: The lengths of three sides of a triangle are 4, 7 and 8. Is this triangle a right triangle?
Click here to see answer by solver91311(16877)

Question 278489: I am trying to install a ramp at 20 degrees. I am going from zero at the bottom of the ramp to 30 inches at the top of the ramp. I need to know what the dimensions of the triangle would be. Thank you very much
Click here to see answer by scott8148(6628)

Question 278511: I need help please with this problem. I need to find the missing length for this right triangle. Please note the bottom leg is missing, the side leg =7 and the hypotruse =25. Please advise. Thank you.
Click here to see answer by rfer(12657)

Question 278783: if a triangle has sides of lengths 9 cm and 17 cm, describe the lengths possible for the third side?

Click here to see answer by Alan3354(30993)

Question 278745: A triangular garden is a different length on each side. Side two is 3 meters shorter than side one, and side three is 8 meters longer than side one. If the perimeter of the garden is 65 meters, what is the length of each side?
Here is what I have so far:
a+b+c=65m
b=3-a
c=8+a
Solve for a:
a+3-a+8+a=65m
Click here to see answer by richwmiller(9135)

Question 278846: .A triangle has two sides that measure 4 ft and 3 ft. Which could be the measure of the third side?

Click here to see answer by Alan3354(30993)

Question 278916: What is the perimeter of a rigle triangle where A=6x and B=8x?
Click here to see answer by edjones(7569)

Question 278933: The hypotenuse of a right triangle measures 90 meters and one leg measures 72 meters find the area of the triangle
Click here to see answer by checkley77(12569)

Question 279398: a triangle has an area of 75 meters squared and a base of 30 meters, what is the length of altitude to that base?
Click here to see answer by richwmiller(9135)

Question 279400: I need to find the perimeter of a right triangle that has a height of 9 and hypotenuse of 15. Please advise. Thank you.
Click here to see answer by richwmiller(9135)

Question 279400: I need to find the perimeter of a right triangle that has a height of 9 and hypotenuse of 15. Please advise. Thank you.
Click here to see answer by Edwin McCravy(8908)

Question 279468: The measure of the second triangle is 21 degrees more than the measure of the first angle. The measure of the third angle is 15 degrees less than the measure of the first angle. Find the meausre of each angle of the triangle.
Click here to see answer by rfer(12657)

Question 279609: I do not understand this. I have a two triangles that are may be similar but I am not sure. I need to find the indicated side and round the answer to the nearest hundredth. I need to find PQ. Note: QS=92, ST=98, QS =78. Could you help me on this one? It is confusing. Thank you.
Click here to see answer by richwmiller(9135)

Question 279779: There are two right triangles that are connected at one corner (that is the photo). I need to find the the side of PQ and round the answer to the nearest hundredth. From one side the corners of a triangle are labeled PQ =? side, QR= 92, RS=78, ST=98. I am not able to draw the picture. Are these triangles similiar also? Hope this is a better explanation. Thank you for your help and patience.

Click here to see answer by Edwin McCravy(8908)

Question 279793: A triangle has two sides of length 4 and 7. What value could the length of the third side be?
Click here to see answer by stanbon(57307)

Question 279802: There are two triangles that are connected at one corner (that is the photo). I need to find the the side of PQ and round the answer to the nearest hundredth. One triangle is PQR and the other is RST. From one side the corners of a triangle are labeled PQ =? side, QR= 92, RS=78, ST=98. I am not able to draw the picture. Are these triangles similiar also? Hope this is a better explanation. Thank you for your help and patience.

Click here to see answer by Edwin McCravy(8908)

Question 279808: I know the hypotenuse is 25 in. I know the base to height ratio is 3 : 4. How do I find the lenght of base and height?
Click here to see answer by JBarnum(2044)

Question 279808: I know the hypotenuse is 25 in. I know the base to height ratio is 3 : 4. How do I find the lenght of base and height?
Click here to see answer by richwmiller(9135)

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