Questions on Geometry: Triangles answered by real tutors!

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Question 261744: Angle ABC is a right triangle. angle A is a right angle and m < B=25. Find m < C
Click here to see answer by richwmiller(17219)

Question 261958: The perimeter of a triangle is 130 inches. Two sides are the same length. The third side is 20 inches longer then the other two. Find the lenght of the shorter two sides.
Click here to see answer by dabanfield(803)

Question 261985: A rectangle has an area of 12 m2. Find a function that models its perimeter P in terms of the length of one of its sides x.
Click here to see answer by drk(1908)

Question 262002: the first angle of a triangle is half the measure of the 2nd angle. the measure of the 3rd angle is 40 degrees more than 4 times the measure of the 1st. find the measure of each angle
Click here to see answer by solver91311(24713)

Question 262208: In a triangle whose base and height are equal, the base b is given by the formula b=the square root of 2A, where A is the area of the triangle. Estimate to the nearest whole number the base of this triangle if the area is 17 square meters.
b=the square root of 2*17^2
b=2*289
b=578^2
b=24 m
Click here to see answer by drk(1908)

Question 262252: Find the cosine of angle A.
A right triangle is drawn. The acute angles are labeled A and B. The side adjacent angle A is labeled 11. The side opposite angle A is labeled 5. The hypotenuse is labeled 12.08.
2.2
0.9106
0.4545
0.4139
Click here to see answer by Theo(13342)

Question 262079: how do you find the length and width of a triangle using the area? the area is 39 cm and the lenght is 7cm greater than the height.
Click here to see answer by ankor@dixie-net.com(22740)

Question 262333: given the right triangle A with hypotenuse length of x+3 and a leg length x. and the right triangle B with hypotenuse length 3y and a leg length of y+1 for what values of x and y are the triangles congruent by HL?
Click here to see answer by Edwin McCravy(20054)

Question 262467: Part A; What are all quadrilaterals with all sides that are congruent?
Part B; What are all quadrilaterals with all sides that are congruent and have all congruent angles?
Part C; What are all quadrilaterals with only the opposite sides are congruent?
Click here to see answer by Edwin McCravy(20054)

Question 262654: I been working on this problem all night and I am stuck. The book says the answer is 283.4 m, but I dont know how to get it. Thanks for your help
A man runs 300 m north and then 400 m to the southeast (at a 45 degree angle). If he has run at a constant speed, how far away is he from the starting position?
Click here to see answer by edjones(8007)

Question 262529: triangle abc angle a is 3 times angle b and angle c is 8 degrees less than 6 times angle b
Click here to see answer by shiela mae(5)

Question 262759: Using the appropriate formula,find the perimeter,in terms of x,of an equilateral triangle that has 2x on the left side.
Click here to see answer by drk(1908)

Question 262759: Using the appropriate formula,find the perimeter,in terms of x,of an equilateral triangle that has 2x on the left side.
Click here to see answer by unlockmath(1688)

Question 262887: in a triangle ABC, angle b is 5 times angle A and angle C is 4 degrees less than 4 times angle A. what is the size of the angles?
Click here to see answer by dabanfield(803)

Question 262938: 1. If the perimeter of a rectangle is 26 meters, and the area is 30 square meters,
what is the diagonal?
2. A right triangle has area 30 square meters and perimeter 30 meters. What is
its hypotenuse?
I understand how to do #1 (via quadratic equation), but I don't see how to set-up #2, with the triangle perimeter info. The solution must be under my nose, but I just don't see it (as of yet).
Thank you.
Click here to see answer by mananth(16946)

Question 262992: Among all triangles with integer side length and perimeter 20 units, what is
the area of the triangle with the largest area? Express your answer in simplest radical form.

Click here to see answer by CharlesG2(834)

Question 263021: zoning laws in harrington prohibit displaying signs with areas exceeding 12ft2. if flo's marina is ordering a triangular sign withan 8-ft base, how tall can the sign be
Click here to see answer by richwmiller(17219)

Question 263133: Can a right triangle have sides with measures, 30 feet, 50 feet, and 60 feet?
Click here to see answer by dabanfield(803)

Question 263133: Can a right triangle have sides with measures, 30 feet, 50 feet, and 60 feet?
Click here to see answer by drk(1908)

Question 263227: the height of a triangle is twice the base. the area is 9 square inches. find the base.
Click here to see answer by unlockmath(1688)

Question 263303: A lawn is in the shape of a trapezoid with a height of 60 ft and bases of 70ft and 130 ft. How many bags of fertilizer must be purchased to cover the lawn if each bag covers 4000 square feet.
Click here to see answer by mananth(16946)

Question 263302: A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 30 feet more than the length of the shortest side. Find the dimensions if the perimeter is 102 feet.
Click here to see answer by mananth(16946)

Question 263301: An architect designes a rectangular flower garden such that the width is exactly two-thirds of the length. IF 260 feet of antique picket fencing are to be used to enclose the garden, find the dimensions of the garden.
Click here to see answer by mananth(16946)

Question 263396: Two sides of a triangle have the same length. The third side measures 4 m less than twice that length. The perimeter of the traiangle is 24 m. Find the lengths of the 3 sides.
Click here to see answer by drk(1908)

Question 263576: If a triangle has the measures 85 and 69 degrees how would figure out which side is the shortest?
Click here to see answer by drk(1908)

Question 263576: If a triangle has the measures 85 and 69 degrees how would figure out which side is the shortest?
Click here to see answer by stanbon(75887)

Question 263575: i have a right triangle the dimensions of side a is 2 inches and the dimensions of side b is 4 inches what would be my dimensions of side c
Click here to see answer by drk(1908)

Question 264053: The measure of the longest leg in this 30-60-90 triangle is 42 miles. Find the length of the hypotenuse
Click here to see answer by drk(1908)

Question 264317: I have an isoceles with an angle supplementary to angle 3 equaling 116 degrees find angles 1 and 2.
Click here to see answer by mananth(16946)

Question 264459: Find the perimeter and area of a right trianlge if the shortest side is 24mm. and the longest side is 40mm. Please show me all the work and include the units.
Thanks so much...
Click here to see answer by rfer(16322)

Question 264485: The two legs of a right triangle have lengths of 15 inches and 8 inches. Find the measure of the smaller acute angle of the triangle.
Click here to see answer by CharlesG2(834)

Question 264476: The longer leg of a right triangle measures two feet more than twice the length of the shorter leg. The hypotenuse measures 3 feet more than twice the shorter leg. Find the length of all three sides.
Click here to see answer by CharlesG2(834)

Question 264601: How would you find the length of two equal sides of an isosceles triangle, when it's hypotenuse is 15 cm long?
Click here to see answer by JBarnum(2146)

Question 264673: The area of a tringular sign is 33 squared meters The base of the tringle is 1 meter less than double the altitude. What is the base and height of the triangle
Click here to see answer by JBarnum(2146)

Question 264830: How do i find the base and corresponding height of a triangle?
Click here to see answer by JBarnum(2146)

Question 264868: Two sides of a triangle are 12 cm and 8 cm, respectively. The altitude to the
12 cm side is 4 cm. Find the altitude to the 8 cm side.
(A) 3 cm (B) 24 cm (C) 12 cm (D) 6 cm (E) 8 / 3 cm
Click here to see answer by Theo(13342)

Question 265168: two missing length are given and find the third form and put them in radical form
Click here to see answer by stanbon(75887)

Question 265174: Find the perimeter and area of a right triangle if one leg measures 40 mi. and the other leg measures 42 mi.
Click here to see answer by rfer(16322)

Question 265114: what is area of an isosceles triangle with a base of 6 feet and a height of 1 foot?
Click here to see answer by checkley77(12844)

Question 265227: find the number of degrees in the vertex angle of an isosceles triangle if each base angle measures 46 degrees
Click here to see answer by drk(1908)

Question 265338: How many integers values of x are there so that x, 5, and 8 could be the lengths of the sides of a triangle?
Click here to see answer by stanbon(75887)

Question 265516: the hypotenuse of a right triangle is 26 feet long.one leg is fourteen feet longer than the other.find the lentgh of the shorter leg?
Click here to see answer by roseo(33)

Question 265523: A right Triangle has one angle that measures 16 degrees. What are the measures of the other two angles?
Click here to see answer by roseo(33)

Question 265541: i was wondering how to derive the side lengths when the angels are known.
Click here to see answer by Alan3354(69443)

Question 265587: Find side a if side b = 14 inches and side c = 20 inches.
Click here to see answer by Alan3354(69443)

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