Questions on Geometry: Triangles answered by real tutors!

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Question 622003: the area of a triangle with sides of 6

Click here to see answer by ewatrrr(10682)

Question 622129: Which type of triangle will have it's incenter, orthocenter, Circumcenter and centroid at the same point?
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Question 622387: In a right angled triangle AB is hypotenuse.D,E and F are the mid-points of BC,AB and AC respectively.P,Q and R are the min-points of AD,CE and BF respectively.so prove that
((PA)^2 +(PB)^2 +(PC)^2)+((QA)^2 +(QB)^2 +(QC)^2)+((RA)^2 +(RB)^2 +(RC)^2)=(AB)^2
Click here to see answer by Edwin McCravy(8909)

Question 622441: They hypotenuse of a right triangle measures 8 meters and one of the legs measures 4 meters. Find the measure of the other leg (Round to the nearest hundredths when necessary).
Click here to see answer by rfer(12662)

Question 622706: the sides of a triangle have lengths of x, x+5, and 25. if the longest side is 25, which of the following values of x would make the right triangle?
Click here to see answer by ewatrrr(10682)

Question 622846: if the angle of the triangle is 70 , 3y-20 , and y+10 . . . what does y equal

Click here to see answer by ankor@dixie-net.com(15656)

Question 622981: Given: side b = 600, angle B = 11 degrees, angle C = 75degrees in triangle ABC; find side a and side c. (Round the answer to the nearest whole number.)
Click here to see answer by Alan3354(30993)

Question 622991: One angle of a rhombus measures 102 degrees, and the shorter diagonal is 4 inches long. How long is the side of the rhombus (to nearest whole number)?
Click here to see answer by mykasha(37)

Question 622993: A diagonal of a parallelogram is 50 inches long and makes angles of 37degrees10' and 49degrees20' with the sides. How long are the sides (to the nearest whole number)?
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Question 623215: find the % increase in the area of the triangle if its each side is doubled
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Question 623108: The measures of the angles of a triangle are given. List the sides from shortest to longest.
m∠r= 35 degrees, m∠s= 120 degrees, m∠t= 25 degrees
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Question 623349: The area of a rectangular wall in a classroom is 216 sq ft. Its length is 3 ft shorter than three times its width. Find the length and width of the wall of the classroom.
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Question 623408: hello there, I'm having trouble finding the lengths of this triangle whose measurements are as follows:
short leg=
long leg=
hypotenuse=
this is the work that I had done:

simplified:
written in standard form:
multiply everything by (11/4):
And now I'm stuck here, as you can see, there's no way I can factorize this, what have I done wrong?
Your help is very much appreciated.
Click here to see answer by Alan3354(30993)

Question 623601: Find a and b that a>0,b>0 and the point (a,b),(1,b) and (a,6) are vertices of a triangle of a base 3 units and area equal to 6 square units.
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Question 623716: The triangle ABC is a right, isosceles triangle. If the length of side AC is 3, give the lengths of the other two sides and the measures of angle A and angle B.

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Question 623697: In triangle ABC, side AC is extended through C to point D to create external angle BCD. Angle A measures 47 degrees and external angle BCD mesures 113 degrees. What is the measure of angle B?
Click here to see answer by ankor@dixie-net.com(15656)

Question 623863: In a right angled triangle besides the right angle one of the angles measure 30• what does the other angle measure

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Question 623908: find the measures of the angles of a triangle if the measures are in the ratio 2:3:4

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Question 623964: What happens when a triangle base is doubled but the height is cut in half how does it affect the area ,what if the height remains the same. I'm confused , Thank you
Click here to see answer by ewatrrr(10682)

Question 623976: Classify the triangle based on side lengths 4, 6 and 7.
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Question 624172: The height of a triangle is 4x + 5 inches and its base is equal to its height. Find its area.
Click here to see answer by math-vortex(472)

Question 624227: A triangle has sides measuring 5, 12, and 15 units. Find all the angles of the triangle to the nearest tenth of a degree.
I beleive it's a SSS Triangle
b^2=a^2=+C^2-2ac COS B
Cos B=12^2+15^2-5^2/2(12)(15) =144+225-25/360
=344/360
B=17.14
Sin A=12Sin17.14/5=0.7056
A=45
C117.9
Click here to see answer by Alan3354(30993)

Question 624359: Find the range for the measurement of the third side of a triangle, x, given the measures of the two sides: 3.8 ft and 9.2 ft.
Click here to see answer by ewatrrr(10682)

Question 624493: The hypotenuse of a right triangle is 5 inches. if one leg is 2 inches, find the degree measure of each angle
Click here to see answer by Theo(3464)

Question 624739: graph the lines and find the area of the triangle enclosed by the lines: y= -1/2 + 3, y= 0, x= -2

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Question 624736: if you have a 45-90-45 triangle and you have the hypotenuse of 9√2 what is the measure of the missing leg?

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Question 624710: solve EFG
f=15 g=18 F=29 degrees
Click here to see answer by Alan3354(30993)

Question 624712: A 30o-60o-right triangle is half of what other kind of triangle?
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Question 624837: What is the height of a triangle with a base of 100in and the legs are 6 and 8 inches?
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Question 624908: What is the area of aright triangle whose hypotenuse is 17cm and base 15cm
Click here to see answer by jim_thompson5910(28595)

Question 625071: determine the resultant of con current forces shown
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Question 625242: If the angles of a triangle are in the ratio 5:6:7 the triangle is
Click here to see answer by Edwin McCravy(8909)

Question 625436: What is the height of an equilateral triangle if the sides are 4 inches?
Click here to see answer by Alan3354(30993)

Question 625673: how do you find the base and height in a triangle if the base is h+8 and the area is 42

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Question 625641: Find the measure of the interior angles to the nearest tenth
(3x+2) (4x+2) (x-1) degree sign after each one
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Question 625722: solve the following equation for y. 2y+3=11
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Question 625719: find the current in a circuit if the power is 500 w(watts) and the resistance is 25 ohms. round off your answer two decimal place. use formula i=p/r
Click here to see answer by Alan3354(30993)

Question 625736: Which of the following is the closest approximation of the perimeter of triangle PQR given P(4, 5), Q(-4, 2), and R(10, 13)?
a.37.38
b.36.35
c.22.14
d.30
*HELP NEEDEDDDD!!!!*******
♥Thanks!
Click here to see answer by solver91311(16897)

Question 625751: How do I express the area of an equilateral triangle as a function of the Length of a side?
Click here to see answer by Alan3354(30993)

Question 625726: the perimeter of an isosceles triangle is p=2a+b. find the numerical value of a if p=10and b=3.
Click here to see answer by nerdybill(6962)

Question 625875: Find the range for the measure of the third side of a triangle if the measures of the two sides are 23 meters & 39 meters a. 24 < x < 70
b. 10 < x < 26
c. 16 < x < 62
d. 15 < x < 52

Click here to see answer by oscargut(891)

Question 625944: formulas of triangle
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Question 626113: A tennis ball is served from a height of 8 feet and just clears the net that is 3 feet high. The server is 40 feet from the net. If the ball travels in a straight path, how far on the other side of the net does the ball land.
I have sketched this but can't see how to calculate the distance from where the net hits the ground at the 40 ft. to where the ball hits the ground.
Your help would be much appreciated.
Thanks
Click here to see answer by Alan3354(30993)

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