Questions on Geometry: Triangles answered by real tutors!

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Question 748353: gate is three feet wide and five feet high need to cut a board that fits diagonlly across. how long should the board be?
Click here to see answer by Alan3354(69443) About Me 

Question 749006: XYZ is an equileteral triangle of length 10cm. Find:
a) calculate the height if the triangle using pythagoras theorem.
b) calculate the area of the triangle

Click here to see answer by timvanswearingen(106) About Me 

Question 748988: the height of a triangle measures 9 inches more then its base, the area is 45 square inches, the measures of the base and height of the triangle?how do i find
Click here to see answer by checkley79(3341) About Me 

Question 749071: in a right-angled triangle one of the acute angles is 20 greater than then the other.fine the angles of the triangle
Click here to see answer by solver91311(24713) About Me 
Question 749071: in a right-angled triangle one of the acute angles is 20 greater than then the other.fine the angles of the triangle
Click here to see answer by Cromlix(4381) About Me 

Question 749186: The area of a triangle is 20. The base is x+2 and the height is x what is the value of x
Click here to see answer by solver91311(24713) About Me 

Question 749435: I am looking at putting a camera in a 12x12 stall and the camera is 9 ft in the air. The camera I am looking at says it is a 63 degree angle. I need to know if that camera will cover the whole stall at that angle?
Thanks!

Click here to see answer by Alan3354(69443) About Me 

Question 749486: consider triangle ABC, where the picture is here http://oi44.tinypic.com/xyge8.jpg
1. let DELTAADF be the area of the triangle ADF, then
DELTAADF%2F%28AG%2AAE%29=+%28A%29
2. when BD=4 and CF=2, then BC=(B) and x satisfies the equation
x%5E2+%2BCx+-D+=0
solving this equation , we have
AD = (E)
solve for A,B,C,D, and E

Click here to see answer by lynnlo(4176) About Me 

Question 749516: 1. Find b. Round to the nearest whole inch.
the triangle ABC with length BC 14 in. Angle B = 82 degrees and Angle A= 54 degrees. And length AC = b
(Points : 1)
17 in.
6 in.
11 in.
14 in.

Click here to see answer by Alan3354(69443) About Me 

Question 749496: is 8 feet larger than 72 inches

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Question 750316: show that the points (a,0),(0,b) and 3a,-2b) lie on a straight line. find its equation
Click here to see answer by KMST(5328) About Me 

Question 750476: Two triangles are similar. The sides of the first triangle is 2,4,6. The largest side of the second triangle is 24. Find the perimeter of the second triangle.
Click here to see answer by stanbon(75887) About Me 

Question 750563: whats the value of x
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Question 750714: A perimeter of a parallogram is 72 inches and one side measures 12inches.what are the lengths in inches of otha 3sides?
Click here to see answer by Cromlix(4381) About Me 

Question 750963: Find the base of an isosceles triangle if the perimeter is equal to 25 and the height is equal to 8.

Click here to see answer by tommyt3rd(5050) About Me 

Question 751143: To secure an outdoor canopy a 64 inch cord is extended from the top of a vertical pole to the ground. if the cord makes a 60 degree angle with the ground, how tall is the pole? give answer to the nearest tenth of an inch.
Click here to see answer by Cromlix(4381) About Me 

Question 751139: What is the perimeter and area of a 45°-45°-90° triangle with a hypotenuse length of 12 feet
Click here to see answer by rfer(16322) About Me 
Question 751139: What is the perimeter and area of a 45°-45°-90° triangle with a hypotenuse length of 12 feet
Click here to see answer by Cromlix(4381) About Me 

Question 751141: find the perimeter and area of a square with diagonal length of 18 meters. give answer in simplest radical.
Click here to see answer by FrankM(1040) About Me 

Question 751248: What is the perimeter and area of a 45°-45°-90° triangle with a hypotenuse length of 12 feet?

Click here to see answer by reviewermath(1029) About Me 

Question 751493: Two vertices of a triangle are two vertex of trinagle are (1,-5) and (5,1) The medians intersect at (1,-1).Find the third vertex of the triangle.
Click here to see answer by dkppathak(439) About Me 

Question 751884: A triangle has 2 sides of length 7.4 and 17.3. Given that the third side has an integer length, what is the largest possible length that it could be?

Click here to see answer by FrankM(1040) About Me 

Question 752163: Find the area of a triangle with sides 6.4 km, and 8.9 km and included angle 63°
Click here to see answer by kibauu(44) About Me 

Question 752164: HELLO, please Find the area of a triangle with sides 6.4 km, and 8.9 km and included angle 63° ?
Click here to see answer by rothauserc(4718) About Me 

Question 752580: The areas of two similar triangles are 144 and 81. If the base of the larger
Triangle is 30, what is the corresponding base of the smaller triangle ?

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Question 752676: If a triangle ABC, AB = 32 in and BC = 49 in. what would be the length of the side ac?
Click here to see answer by tommyt3rd(5050) About Me 

Question 752669: My question is killing me. I have to build a tent ( a triangular prism) for 2 adults of average height and two children. I have to make measurements as well as finding out the area and volume. Please help, what measurements can I use and what would teh surface area and volume be? Also withing that tent there has to be a bit of room for food storage. Please help me and make the measurements either in centimetres or metres. thankyou
Click here to see answer by rothauserc(4718) About Me 

Question 752716: the length of the larger leg of a hypotinuse is one more than the legth of the shorter leg. the hypotenuse is one less than twice the width. find the legth of the longer leg. How do you do this??
Click here to see answer by josgarithmetic(39617) About Me 

Question 752838: You have a right triangle labeled RTS. T is the 90˚ angle. S equals 22˚. I have to find the hypotenuse (I labeled it x) of this right triangle. There is also a measurement given to me for side TS. It is labeled 20.
So here is what I know:
Side TS= 20˚
side TS= the adj side of my know angle ( Question: How do I find the hypotenuse of triangle RTS? What formula would I use to solve for the hypotenuse of triangle RTS?
I know I have to use cosine, tangent, or sine formulas.
Thank you and please get back to me soon.
*Rosella Black*

Click here to see answer by Okeke_Christian(26) About Me 

Question 752928: A 10-ft ladder leans against a wall so that the base of the ladder is 4 ft from the wall. How high up on the wall will the ladder reach (to the nearest foot)?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 753190: If angle EFG is 35°, what is the measure of the angle that is complementary to angle EFG?
Click here to see answer by unlockmath(1688) About Me 

Question 753229: What is the calculation for a pie chart?
Click here to see answer by MathLover1(20849) About Me 

Question 753249: The figure is a rectangle. What is x
Click here to see answer by MathLover1(20849) About Me 

Question 753327: Is there a formula that can figure the lengths of the two legs of a right triangle given only the length of the hypotenuse and a ratio between leg a and b? such as:
'with length c (hypotenuse)=5 and the ratio between legs a and b being 4/3, figure the lengths of a and b' which, obviously in this case, is = to 3 and 4. But what about more complicated ones? like... say if the hypotenuse was 17 and the ratio between a and b is 2.5? Is it completely just trial and error, or is there a formula/expression to at least approximate the lengths to a couple of decimal places?

Click here to see answer by solver91311(24713) About Me 

Question 753369: What is The area in square units when the Hypotenuse is 4 Radical 2
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Question 753683: The ratio of the length of the legs of a right triangle is 7:24.The length of the hypotenuse is 50.Find the length of each leg of the triangle.
Click here to see answer by stanbon(75887) About Me 

Question 753702: you can go and fuck offffffffffffffffffffffffffffffffffffffffffff
Click here to see answer by stanbon(75887) About Me 
Question 753702: you can go and fuck offffffffffffffffffffffffffffffffffffffffffff
Click here to see answer by Alan3354(69443) About Me 

Question 753857: In RST, RS = 15, RT = 12, and ST = 17. Which angle of RST has the smallest measure?
Click here to see answer by Alan3354(69443) About Me 

Question 754142: How do i find the height of a right-angled triangle, given only the lengths of the base and the hypotenuse?
Click here to see answer by Cromlix(4381) About Me 

Question 754137: The sines of the angles of a triangle are in ratio 4:5:6. Find the ratio of their cosines
Click here to see answer by Alan3354(69443) About Me 

Question 754281: The lengths of the sides of a triangle are 6, 7, and 9. Find the longest side of a similar triangle whose shortest side is 4.

Click here to see answer by tommyt3rd(5050) About Me 

Question 754416: Hi ya, the full question is the diagram shows two points B (the bottom of the triangle dead centre) and C the right hand side of the triangle at 45 degrees. The top of the triangle is T and i need to work ou the height between T & B, B is 20 metres from A which is the left hand side bottom of the triangle which is 37 degrees, i then need to calculate the distanced between B & C
hope this makes sense and thank you ever so much

Click here to see answer by Edwin McCravy(20054) About Me 
Question 754416: Hi ya, the full question is the diagram shows two points B (the bottom of the triangle dead centre) and C the right hand side of the triangle at 45 degrees. The top of the triangle is T and i need to work ou the height between T & B, B is 20 metres from A which is the left hand side bottom of the triangle which is 37 degrees, i then need to calculate the distanced between B & C
hope this makes sense and thank you ever so much

Click here to see answer by tommyt3rd(5050) About Me 

Question 754669: The angles of a triangle form a ratio of 3:3:4. Find the measure of the largest angle.
Click here to see answer by Cromlix(4381) About Me 

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