Questions on Geometry: Triangles answered by real tutors!

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Question 464935: If a 10 foot skylight has to be installed at a 9.5 degree angle, what is the height of the triangle? Is this a sine function? My algebra is a bit rusty and I can't figure out where to start.
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Question 465075: Consider the right triangle ABC with integer sides. If the area of the triangle is 210, and AC=37 then BC=?
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Question 465068: two sides of a triangle are 24cm and 35cm long. the angle between them is 42 degrees, what is the area of the triangle?
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Question 465223: We are trying to find the length of the 3rd side of a right triangle. Two of the sides are 13 inches long and we are trying to find the length of the 3rd side. can you help? we are making a quilt and need to know this.
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Question 465192: The ratio of the areas of two similar triangles is 4:5. If the legs of the smaller triangle are 3cm and 4cm, how long is the hypotenuse of the larger triangle?
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Question 465269: In an isosceles right triangle , the square of the hypotenuse is 98cm^2.
Find the length of the congruent sides
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Question 465536: The ratio of the measures of the angles of a triangle is 4 : 8 : 3. What are the angle measures?
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Question 465642: how can i find the answer to a triangle has sides of length 4 inches and 7.5 inches. Which of the following cannot be the length of the third side: 3.5 inches, 4.0 inches, 5.0 inches, 5.5 inches, 9.5 inches
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Question 465623: in an right angled isosceles triangle whether "the sum of two sides of a triangle is equal to its third side"
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Question 465816: perimeter of an isosceles triangle with a base of 29 and a side of 81.
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Question 465849: What is the length of the base of a triangle with height 20 cm and area 150 cm2?
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Question 465853: A proof should always begin with stating the given information
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Question 466027: Triangle ABC is similar to triangle XYZ. Side AB measures 2, side BC measures x + 5, side CA measures x + 7, side XY measures 4 and side ZX measures 4x – 2. Find the value of x.
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Question 466030: Find the perimeter of an isosceles triangle with a base of 15 and a side of 9.

Find the perimeter of an equilateral triangle with a side measure of 39
Find the area of a regular hexagon with a base of 15 and an apothem of 20
Find the area of a regular hexagon with a base of 10 and an apothem of 12.
Find the area of a regular heptagon with a side length of 12 and an apothem of 8.

Find the perimeter of a regular pentagon with a side length of 11.
Find the perimeter of a regular hexagon with a side length of 12.

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Question 466026: Find the perimeter of an isosceles triangle with a base of 29 and a side of 81
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Question 466177: Find the value of x.
A 30, 60, 90 degree right triangle is drawn. The 60 degree angle is labeled. The shortest leg adjacent to the 60 degree angle is labeled x. The longest leg opposite the 60 degree angle is labeled 5 times the square root of 3. The hypotenuse is labeled y.
Click here to see answer by stanbon(57387)

Question 466173: given one side of a 30-60-90 triangle how do you find the other 2 sides?
Click here to see answer by Gogonati(809)

Question 466228: The hypotenuse of a right triangle is 25 cm long. One leg of the same triangle is 7 cm long. What is the length of the other leg? Explain how you found your answer.
Click here to see answer by algebrahouse.com(1079)

Question 466172: One triangle has double the area of another triangle, and their corresponding angles have the same measurements. If the base of the second triangle is denoted by "S", and the base of the first (smaller) triangle is denoted by "s", in terms of s what does S equal?
Click here to see answer by robertb(4012)

Question 466236: a kite is flying at an angle of elevation of about 40 degrees. all 80m of string have been let out. ignoring the sag in the string, find the height of the kite to the nearest 10m.
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Question 465163: Paula bought a lot with the shape of a right triangle.
the two longest sides of the lot mesure 90 feet and 72 feet.what is the length of shortest side of Paulas lot?
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Question 466326: if a right triangle has sides of length 2 and 4, what is the length of the other side?
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Question 465564: . Simple question but big one on average age.sth like a, b, c weighted separately 1st a, b, c ,then a& b, then b &c ,then c & a at last abc, the last weight was 167,then what will be the average weight of the 7 reading?
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Question 466559: The largest angle of a triangle is 6 times the smallest angle and it is 3 times the other angle. Find the measure of the smallest angle.
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Question 466877: If the sides of an isosceles triangle are 20, 25, and 25, what is the triangle's area?

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Question 467031: if one side of a trangle measure 50 what do the other two sides equal?
Click here to see answer by rfer(12670)

Question 467078: Two fishing boats depart a harbor at the same time, one traveling east, the other south. The eastbound boat travels at a speed 7 mi/h faster than the southbound boat. After five hours the boats are x = 85 mi apart. Find the speed of the southbound boat.
I came up with 5mph being the speed of the slower boat, but the EWA says I'm wrong
Click here to see answer by scott8148(6628)

Question 465684: ok so my triangle is a right triangle and the question is. in triangle ABC, AB = 3 , adn AC = 9. find angle B to the nearest degree. the y dont give me the hypotnuse length.
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Question 467201: For a given right triangle, angle A = 61 degrees and side b = 39 ft.
What is the length of side a to the nearest foot?
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Question 467091: the perimeter of a triangle is 67 centimeters. if two sides are equally long and the third is 7 centimeters longer than the others, find the length of the three sides.

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Question 467079: A softball team is designing a triangular pennant such that the heigth is 6in. less than 4 times the length of the base b. Express the area of the pennant as a function of b.
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Question 467343: what is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 48 degrees?
Click here to see answer by stanbon(57387)

Question 467403: Hello,
How do I find the length of a triangle when the sides are 8 and x and the one side is missing but it's a 90 degree angle? I've tried the pyth. theroem. And I would try the distance formula but there is no coordinates. Also the triangle has another triangle attached to it. The 2nd triangle has the coordinates 3.5 and 7 and it is also 90 degrees.
Click here to see answer by jim_thompson5910(28598)

Question 467553: Given the following right triangle, what is the measure of angle A
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Question 467557: What is the area of a rectangle measuring 25 ft long by 8 ft wide?
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Question 467604: A triangle has an area of 36 cm2 and a base of 9 cm. The height of the triangle is ?
Click here to see answer by algebrahouse.com(1079)

Question 467633: The sum of the measures of angles of a triangle are 180. If the largest angle is nine time larger than the smallest angle, and the third angle is 70 degrees larger than the smallest angle, find the measure of the angles
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Question 467610: can an acute angle have three angles that measure 45 degrees, 75 degrees and 60 degrees ?
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Question 467716: A triangle has base of 13 ft and an altitude of 6 ft . Find the area?
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Question 467716: A triangle has base of 13 ft and an altitude of 6 ft . Find the area?
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Question 467775: If hypotenuse of right triangle is 30 cm and one leg is twice as long as the other, how long is the longest leg?
Click here to see answer by mananth(12270)

Question 467573: It is NOT possible to have a triangle with which of the following?
-only one obtuse angle
-two equal acute angles
-only one acute angle
-three equal acute angles
Click here to see answer by gwendolyn(128)

Question 468017: what is the perimeter of a right triangle with its legs measuring 7 and 24
Click here to see answer by algebrahouse.com(1079)

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