Geometry Unit Test

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47

• 74

• 94

• 123

What is the area of the shaded segment?

• 30.1

• 5.8

• 2.4

• 61.2

• 5.2

• 4.77

• 5

• 7.5

What happens to the perimeter of a square if the sides are halved?

• doubles

• halved

• quadrupled

• forthed

Suppose the dimensions of a pentagon with an area of 12 are tripled Find the area of the new pentagon in square inches.

• 108

• 36

• 72

• 144

Describe the effect of the change on the perimeter of the given figures. The base and height of a rectangle with base 4 ft and height 5 ft are both doubled.

• The perimeter is doubled.

• The perimeter is quadrupled.

• The perimeter is two more.

• The perimeter is four more.

A rectangle has a base 4 ft and height of 5 feet. If the figure dilated by a scale factor of 2, what will be true about its area?

• The area is doubled.

• The area is multiplied by 4.

• The area stays the same

A figure is multiplied by the scale factor 1/4. What will be the change in perimeter?

• The perimeter will be 1/4 the original perimeter.

• The perimeter will be 1/8 the original perimeter.

• The perimeter will be 1/16 the original perimeter

Coach Martin has a rectangular deck that covers 80 square feet of his backyard. If Coach Martin triples the length and width of his deck, what will be the effect on the new area?

• The area is tripled.

• The area is multiplied by one-third.

• The area is not changed.

• The area is multiplied by nine.

The height of the rectangle is tripled. Describe the effect on the area.

• The area is multiplied by 6

• The area is multiplied by 3

• The area is multiplied by 36

• The area is multiplied by 60