Questions on Geometry: Triangles answered by real tutors!

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Question 596452: What are differences of when you can identify a 45,45,90 right triangle vs a 3,4,5 right triangle. I'f the triangle is inscribed does that make a difference?
Click here to see answer by Alan3354(69443)

Question 596440: An isosceles right triangle has legs of the lenght of 5^2(5 times the squareroot of 2). What is the lenght of the hypothenuse of the right triangle?
Answeres:
F. 10
G. 10^2( 10 times the squareroot of 2)
H. 15^2( 15 times the squareroot of 2)
I. 25
Click here to see answer by stanbon(75887)

Question 596626: I have an equilateral triangle with side = x. The area is 5000 sq metres
Need a formula to work out x.
Thanks
Click here to see answer by scott8148(6628)

Question 596679: can a triangle exist with side lengths of 2, 7, and 8?
Click here to see answer by Alan3354(69443)

Question 596752: the problem is if the longest side of a right triangle is 7 more then the second longest side with a total perimeter of 30, what is the length of the shortest side?
Click here to see answer by solver91311(24713)

Question 596815: What could NOT be the sides of a right triangle?
1. (3,4,5)
2. (13,15,17)
3. (9,12,15)
4. (8,15,17)
Click here to see answer by jim_thompson5910(35256)

Question 596860: In triangle ABC, two angles add to be 91 degrees. The third side is 90 degrees.
Click here to see answer by rapaljer(4671)

Question 596882: Find the value of x. Then classify the triangke by its angle measure
(2x-8) 41 49 (degrees)
Click here to see answer by Alan3354(69443)

Question 596928: please help me solve this question for the missing side (a=12,b=16)
Click here to see answer by rfer(16322)

Question 596986: The hypotenuse of an isosceles right triangle has a length of 10 centimeters can you please estimate the length of each of The 2 legs?

Click here to see answer by solver91311(24713)

Question 597071: Two skew lines are _____ parallel.
a. always
b. never
c. sometimes
Click here to see answer by veronica1289(7)

Question 597072: Lines that are skew _____ intersect.
a. always
b. never
c. sometimes
Click here to see answer by veronica1289(7)

Question 597240: what is the perimeter of a triangle whose sides measure 10cm 15cm and 18cm

Click here to see answer by Alan3354(69443)

Question 597319: Will you please help me find the altitude on an acute scalene triangle? The problem is I have been given only the AREA(90 square feet) and the hypotenuse(18 feet). Am I correct in making the assumption the missing part is the base and without its amount of feet an impossible equation to solve with a formula? Thank you for your time and expertise.
Click here to see answer by ankor@dixie-net.com(22740)

Question 597439: Which measures would be the side lengths of a right triangle?
A. 2 cm, 5 cm, 7 cm
B. 9 cm, 14 cm, 17 cm
C. 7 cm, 17 cm, 24 cm
D. 5 cm, 12 cm, 13 cm

Click here to see answer by rapaljer(4671)

Question 597449: It's been many years since I've been in school. If I have an 8 foot long piece of metal leaning at a 30 degree angle, what is the heighth of that piece of metal?
Click here to see answer by edjones(8007)

Question 597541: In triangle DEF, DE=17 and measure of angle F=32. Find DF to the nearest tenth
Click here to see answer by Alan3354(69443)

Question 597610: tell whether the side lengths 6,8,10 of a triangle would be right, acute or obtuse.
Click here to see answer by solver91311(24713)

Question 597671: if a right triangle has a hypotenuse of 13cm and one leg that measures 12cm.what is the length of the other leg?

Click here to see answer by stanbon(75887)

Question 597725: A triangle has an area of 72 square feet and a height of 9 feet? Find the length of its base.

Click here to see answer by jim_thompson5910(35256)

Question 597759: the sides of a triangle are y, y+1 and 7 centimeters,if the perimeter is 56 centimeters, what is the value of y
Click here to see answer by jim_thompson5910(35256)

Question 597876: What's the area of a triangle with a base of 9 and an angle of 120?
Click here to see answer by AnlytcPhil(1806)

Question 598079: a triangle has sides of length 3cm & 8c, what can you say about the length of the third side
Click here to see answer by w_parminder(53)

Question 598232: Whats the perimeter of an equilateral triangle whose side measures 2 1/3 mi?
Click here to see answer by nerdybill(7384)

Question 598274: The perimeter of a rectangular painting is 290 centimeters. If the width of the painting is 62 centimeters, what is its length?
Click here to see answer by math-vortex(648)

Question 598387: If 27 and 45 are two lengths of a right triangle, what is the third length of the right triangle?
Click here to see answer by Edwin McCravy(20054)

Question 598448: what is the perimeter and area of an equilateral triangle with side length 4 feet

Click here to see answer by edjones(8007)

Question 599017: The base of a triangle is two less than one-third of the height of a triangle. Find the area of the triangle as a function of the base.
Click here to see answer by flame8855(424)

Question 598989: If the perimeter of an equilateral triangle is 30 ft, what is the area?
Click here to see answer by flame8855(424)

Question 598988: If the area of an equilateral triangle is 9√3 sq ft, how long is a side?
Click here to see answer by flame8855(424)

Question 599186: If a right triangle has the angles of 32 and 98 what is the measure of the third angle?
Click here to see answer by rfer(16322)

Question 599310: how do you solve the triangle A=150 degreess, C=20 degrees, a= 200

Click here to see answer by Alan3354(69443)

Question 599594: What is the height of an equilateral triangle with sides that are 12 cm long?
6 cm
10.4 cm
8.5 cm
6.9 cm
Click here to see answer by jim_thompson5910(35256)

Question 599524: In Triangle ABC, AB=5 feet and BC=3 FEET. Which inequality represents all possible vales for the length of AC, in feet?
Click here to see answer by jim_thompson5910(35256)

Question 600044: Which number is irrational?
sqrt 81
sqrt 169
sqrt 156
sqrt 144

Click here to see answer by nerdybill(7384)

Question 600153: An equilateral triangle has an altitude of 6cm . What is the length of the sides?
Click here to see answer by solver91311(24713)

Question 600165: if a triangial has a base of 6 inches a side of 7 inches another side that is 4 inches and a hight of 5 inches what is the anwser pleasease anwser

Click here to see answer by solver91311(24713)

Question 600201: A right triangle has a hypotenuse that measures 10 centimeters. What could be the measurments of the two legs of the triangle?
Click here to see answer by solver91311(24713)

Question 600342: If the length of the hypotenuse of a right triangle is 10 feet long and 1 leg is six feet long what is the measure of the other leg?
Click here to see answer by jim_thompson5910(35256)

Question 600363: How would I find the sides of an equilateral triangle by only knowing the area.
The area of this equilateral triangle is 546 cm squared but it doesn't give me anything about the sides only the area... and I'm completely lost...
Click here to see answer by jim_thompson5910(35256)

Question 600501: if the hypotenuse of a right triangle is 13 and the length of the legs are 12 and 5, what is the measure of angle B.

Click here to see answer by Alan3354(69443)

Question 600622: An isosceles triangle has vertices at (2,0), (6,0), and (4,8). What is the length of the altitude?
Click here to see answer by Alan3354(69443)

Question 600659: If the lengths of an isoselese are 6, 6 and 10 what is the angle of the obtuse angle?
Click here to see answer by Alan3354(69443)

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