iCoachMath.com: Examples on Area of Triangles - Exploring Measurement - (AK)
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Solved Examples

Curriculum: Alaska Math Grade Level Expectations   Click to change Curriculum

Topic: Exploring Measurement  Click to change Topic

Lesson: Area of Triangles  Click to change Lesson

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ccc What is the height of ΔPQR, if its area is 4 in.2 and the measure of QR is 4 in.?
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ccc ABCD is a rectangle with side BC equal to 4 cm. The diagonal of the rectangle, BD is 5 cm. What is the area of the triangle BDC? ccc View Solution
ccc Find the area of the triangle, if its height is 5 feet and base length is 12 feet.
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ccc What is the area of the right triangle in the figure, if AB = 6 in. and BC = 4 in.?
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ccc What is the area of a right triangle whose base is 12 feet and hypotenuse is 15 feet? ccc View Solution
ccc The area of a right triangle is 24 in.2 and the length of its hypotenuse is 10 in. What is the length of the shorter leg? ccc View Solution
ccc 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? ccc View Solution
ccc In ΔABC, the base AB is 12 times its corresponding height. What is the measure of AB, if area of the triangle is 4 square in.?
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ccc 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 inches. What is the value of y? ccc View Solution
ccc What is the area of the right triangle in the figure, if AB = 8 in. and BC = 5 in.?
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e   What is the height of ΔPQR, if its area is 8 in.2 and the measure of QR is 4 in.?
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e   By how many times will the area of a triangle increase, if the base and the height are increased by 8 times?   e View Solution
e   Find the area of colored region in the figure.
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e   Find the base length b of the triangle ABC in the figure, if its area is 8 cm2.
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e   What is the ratio of areas of the two triangles ABC and ACD, if the point C is the mid-point of BD as shown in the figure?   e View Solution
e   What is the area of ΔABC?
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e   By how many times will the area of a triangle increase, if the base and the height are increased by 2 times?   e View Solution
e   Find the area of the triangle of height 6 ft and the base 10 ft.   e View Solution
e   Identify and count the number of triangles in the figure.   e View Solution
e   What is the area of the figure?   e View Solution
e   What is the ratio of colored region to uncolored region in the figure, if AF = FE = BD = 2 ft?   e View Solution
e   The vertices of two angles of a triangle are (3, 1) and (0, -4). The y-axis is a line of symmetry of the triangle. What is the area of the triangle?
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e   Find the area of the right triangle in the figure.
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e   What is the area of ABD, if the area of ABCD is 36 in.2?
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e   A triangle with an area of 36y in.2 is drawn such that its area is equal to the area of an equilateral triangle with each side measuring 24 inches. What is the value of y?   e View Solution
e   In ΔABC, the base AB is 12 times its corresponding height. What is the measure of AB, if area of the triangle is 9 square in.?
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e   Find the area of the triangle, if its height is 3 feet and base length is 8 feet.
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e   What is the area of the right triangle in the figure, if AB = 4 in. and BC = 3 in.?
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e   What is the area of the equilateral triangle?
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e   What is the area of a right triangle whose base is 4 feet and hypotenuse is 5 feet?   e View Solution
e   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?   e View Solution
e   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?   e View Solution
e   What is the area of the triangle, if ABC = ABD = 90o, CB = 3 in., BD = 4 in. and AB = 6 in.?
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e   ABCD is a rectangle with side BC equal to 8 cm. The diagonal of the rectangle, BD is 10 cm. What is the area of the triangle BDC?   e View Solution
e   The area of a right triangle is 11 ft2, when the height is given as x ft. What is the area of the triangle, when the height is multiplied by 7?
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e   The area of a right triangle is 5 ft2, when the height is given as x ft. What is the area of the triangle, when the height is multiplied by 3?
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e   If the area of ABDE is 45 mm2, then what is the area of the triangle BCD?
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e   In the figure, ΔACE is formed by blue, green, pink and yellow colored isosceles triangles. What is the perimeter of ΔACE?
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