Three-Dimensional Figures and Cross Sections Answers

The equilateral triangle shown is rotated about line a. Each side of the triangle measures 20 mm.

How many vertices does a triangular prism have?

Which pair of figures has the same number of faces as vertices?

Which three-dimensional figure has exactly three rectangular faces?

Quadrilateral ABDE is a rectangle. DE = 4 in. and BD = 6 in.If the rectangle is rotated about a line through CF, cylinder Y is created. If the rectangle is rotated about a line through GH, cylinder Z is created.

The rectangle shown is rotated about line k.

Quadrilateral ABDE is a rectangle. AB = 10 cm and AE = 16 cm.

The square shown has a perimeter of 32 units. The square is rotated about line k.

The area of rectangle ABDE is 270 square inches. The rectangle is rotated about a line that passes through points C and F.

The perimeter of the rectangle shown is 76 cm. It is rotated about line b.