Find the volume of the solid. Round to two decimal places when necessary. 18) Right trapezoidal prism 12.6 in 9 in 12 in 36 in A) 2381.40 in³ B) 9525.60 in³ C) 4762.80 in³ D) 3402.00 in³ Find the volume. 19) Find the volume of the square-based pyramid. 12 m h ---- 6 m A) 180 m³ B) 144 m³ C) 432 m³ D) 216 m³ Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth. 20) A right circular cylinder with r = 8 cm, h = 9 cm radius height A) 1808.6 cm² B) 628.0 cm² C) 427.0 cm² D) 854.0 cm²
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The formula for the area of a trapezoid is 1/2 * (base1 + base2) * height. In this case, base1 = 12 in, base2 = 9 in, and height = 12.6 in. Show more…
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