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15 Cards in this Set
- Front
- Back
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What is the area formula for a circle?
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A= π * r^2, where π is 3.14 and r is the radius
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What is the area formula for a parallelogram?
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A= b * h, where b is the base and h is the height
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What is the area formula for a trapezoid?
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A = 1/2 * (b1 + b2) * h, where b1 is the first base, b2 is the second base, and h is the height
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What is the area formula for a triangle?
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A = 1/2 * b * h, where b is the base and h is the height
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What is the circumference of a circle?
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C = π * d, where π is 3.14 and d is the diameter OR
C = 2*π*r, where π is 3.14 and r is the radius |
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What is the area of a circle whose radius is 8 cm? Round to the nearest unit.
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A = 201 cm^2
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What is the area of a parallelogram whose base is 12 cm and height is 8 cm?
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A = 96 cm^2
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What is the circumference of a circle whose diameter is 4 in.? Round to the nearest unit.
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C = 13 in.
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What is the area of a trapezoid whose height is 9 m, b1 is 12 m, and b2 is 6 m?
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A = 81 m^2
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What is the area of a triangle whose base is 6 in and height is 3 in?
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A = 9 in^2
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What is the area of a circle whose diameter is 14 mi? Round to the nearest unit.
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A = 154 mi^2
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What is the height of a rectangle whose area is 132 m^2 and base is 11 m?
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h = 12 m
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What is the base of a triangle whose area is 72 in^2 and height is 18 in?
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b = 8 in.
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What is the height of a trapezoid whose area is 88 m^2 and whose bases are 2 m and 6 m?
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h = 22 m
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What is the circumference of a circle whose radius is 6 cm? Round to the nearest unit.
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C = 38 cm
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