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DD A triangle with an area of 27y in.^{2} is drawn such that its area is equal to the area of an equilateral triangle with each side measuring 18 in. What is the value of y? DD

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DD In ΔABC, the base AB is 12 times its corresponding height. What is the measure of AB, if the area of the triangle is 25 square in.? DD

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DD A triangle with an area of 18y in.^{2} is drawn such that its area is equal to the area of an equilateral triangle with each side measuring 12 in. What is the value of y? DD

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DD In ΔABC, the base AB is 12 times its corresponding height. What is the measure of AB, if the area of the triangle is 9 square in.? DD

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DD The perimeter of an isosceles triangle is 18 cm. The ratio of the lateral side to the base is 5 : 8. What is the area of the triangle? DD

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DD The area of a right triangle is 54 in.^{2} and the length of its hypotenuse is 15 in. What is the length of the shorter leg? DD

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DD Find the area of the triangle, if its height is 4 feet and the length of its base is 8 feet. DD

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DD What is the area of the right triangle in the figure, if AB = 4 in. and BC = 3 in.? DD

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DD What is the area of a right triangle whose base is 8 feet and hypotenuse is 10 feet? DD

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DD The base of a triangle is 6 in. and its height = 12 x base. What is the area of the triangle? DD

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DD What is the area of the triangle ACD, if ∠ABC = ∠ABD = 90^{o}, CB = 6 in., BD = 7 in. and AB = 10 in.? DD

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DD The figure ABCD is a rectangle with side BC equal to 8 cm. The diagonal of the rectangle, BD is equal to 10 cm. What is the area of the triangle BDC? DD

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DD The area of a right triangle is 8 ft.^{2} and its height is x ft. What is the area of the triangle, if its height is increased by 5 times? DD

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DD What is the area of the triangle DCE, if the area of the square ABCD is 18 square miles? DD

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DD If the area of the rectangle ABCD is 16 square yards, then what is the area of the triangle DFC? DD

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DD The base is equal to its corresponding height in a triangle. Find the base length of the triangle, if its area is 50 in.^{2}. DD

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DD What is the area of the triangle PQR, if the area of the parallelogram ABCD is 30 square in.? DD

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DD The parallelogram ABCD and the triangle CDE have equal areas. What is the value of H, if h = 4 in.? DD

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DD ABCD is a rectangle. What is the area of the shaded region, if DC measures 10 in. and BC measures 5 in.? DD

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DD What is the area of an equilateral triangle with side a and height h? DD

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DD Find the area of the triangle, if its height is 3 feet and the length of its base is 8 feet. DD

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DD What is the area of the right triangle in the figure, if AB = 8 in. and BC = 5 in.? DD

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DD What is the area of a right triangle whose base is 12 feet and hypotenuse is 15 feet? DD

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DD What is the area of the triangle ACD, if ∠ABC = ∠ABD = 90^{o}, CB = 5 in., BD = 6 in. and AB = 8 in.? DD

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DD The figure ABCD is a rectangle with side BC equal to 4 cm. The diagonal of the rectangle, BD is equal to 5 cm. What is the area of the triangle BDC? DD

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DD The area of a right triangle is 6 in.^{2} and the length of its hypotenuse is 5 in. What is the length of the shorter leg? DD

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DD The perimeter of an isosceles triangle is 36 cm. The ratio of the lateral side to the base is 10 : 16. What is the area of the triangle? DD

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DD The area of a right triangle is 11 ft.^{2} and its height is x ft. What is the area of the triangle, if its height is increased by 7 times? DD

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DD What is the area of the triangle ABC in the figure? DD

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DD Which of the triangles in the figure have equal areas? DD

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DD What is the area of the triangle DCE, if the area of the square ABCD is 45 square miles? DD

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DD If the area of the rectangle ABCD is 22 square yards, then what is the area of the triangle DFC? DD

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DD What is the area of the triangle ABD in the figure? DD

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DD The base of a triangle is 20 in. and its height = 14 x base. What is the area of the triangle? DD

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DD The base is equal to its corresponding height in a triangle. Find the base length of the triangle, if its area is 98 in.^{2}. DD

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DD What is the area of the triangle PQR, if the area of the parallelogram ABCD is 42 square in.? DD

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DD ABCD is a rectangle. Which of the triangles have equal areas? DD

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DD What is height of triangle DCB, if the area of triangle ADC is half the area of triangle DCB? DD

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DD The parallelogram ABCD and the triangle CDE have equal areas. What is the value of H, if h = 2 in.? DD

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DD ABCD is a rectangle. What is the area of the shaded region, if DC measures 14 in. and BC measures 7 in.? DD

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DD If the perimeter of an isosceles triangle is 36 cm, and if the altitude to its base is 12 cm, what is the area of the triangle? DD

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DD Which of the following needs to be calculated to find the number of floor tiles required to cover a bedroom floor? DD

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DD Which of the following is required to find the size of paper needed to pack a box? DD

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