Three-Dimensional Figures and Cross Sections — Unit test Answers

The base of a solid right pyramid is a regular hexagon with a radius of 2x units and an apothem of units.

On a coordinate plane, trapezoid A B C D has points (negative 5, negative 2), (negative 1, 2), (0, negative 1), (negative 2, negative 3).

A polygon with 9 sides is shown. An exterior angle has a measure of x degrees.

The right isosceles triangle shown is rotated about line k with the base forming perpendicular to k. The perimeter of the triangle is 58 units.

Which polygon is a concave octagon?

Which three-dimensional figure has double the number of edges as faces?

The right triangular prism has a volume of 1,152 cm3.

The volume of the triangular block is 4 cubic inches.

A solid oblique pyramid has a regular pentagonal base. The base has an edge length of 2.16 ft and an area of 8 ft2. Angle ACB measures 30°.

Parallelogram A B C D is shown. Line segment X Y goes from point X on side A B to point Y on side C D to form 2 trapezoids.

The regular hexagon has a radius of 4 in.

On a coordinate plane, triangle A B C and parallelogram G H J K are shown. Triangle A B C has points (2, 0), (1, negative 6), (negative 2, negative 4). Parallelogram G H J K has points (0, 0), (1, 2), (negative 2, 4), and (negative 3, 2).

A regular pentagon is shown.

On a coordinate plane, parallelogram R S T U has points (negative 3, 2), (4, negative 1), (4, negative 4), and (negative 3, negative 1).

On a coordinate plane, triangle L M N has points (negative 1, 2), (negative 1, negative 4), and (3, negative 4).

Which shape could be thought of as being created by stacking congruent polygons?

On a coordinate plane, parallelogram R S T U has points (negative 4, 4), (2, 6), (6, 2), and (0, 0).

An equilateral triangle has an apothem measuring 2.16 cm and a perimeter of 22.45 cm.

A section of a rectangle is shaded to form a trapezoid. The lengths of the 2 bases are 7 and x. The length of a side that forms a right angle with side x is 7.

The area of the regular pentagon is 6.9 cm2.