GED Math Geometry

Lesson 31: If figure ABEC is a rectangle, find the area of triangle ACD.

• 27 m²

• 45 m²

• 66 m²

• 90 m²

• I don't know how to do this question

Find the area of the given trapezoid.

• 102 in²

• 936 in²

• 1,872 in²

• 3,744 in²

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Lesson 33: The diameter of the smaller circle is equal to the radius of the larger circle. What is the area of the shaded region rounded to the nearest whole number? (π≈3.14)

• 25 in²

• 38 in²

• 101 in²

• 151 in²

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Lesson 34: The bottom of a ladder is placed 8 feet from the wall of a house. The wall and the ground form a right angle. If the ladder is 15 feet in length, how far up the wall does it reach (to the nearest foot)?

• 12

• 13

• 17

• 23

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If this is a right triangle, find the measure of x to the nearest hundredth.

• 42°

• 41.98°

• 41.99°

• 45°

Lesson 35: A contractor has hired a trash hauling service to remove trash from a job site. The trash bins are rectangular containers with the measurements shown in the diagram. How many cubic feet of trash can each container hold?

• 192 ft³

• 288 ft³

• 568 ft³

• 576 ft³

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Lesson 36: Find the volume of the cylinder to the nearest whole number. \(\pi\approx3.14\)

• 188 ft³

• 236 ft³

• 377 ft³

• 942 ft³

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Lesson 37: Find the volume of the right pyramid to the nearest whole number.

• 15 yd³

• 30 yd³

• 75 yd³

• 225 yd³

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• 327 cm²

• 402 cm²

• 653 cm²

• 1,005 cm²

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Lesson 39: Find the surface area of the prism.

• 203 cm²

• 225 cm²

• 245 cm²

• 259 cm²

• I don't know how to do this question