Geometry - Circles ACT Questions

Which of the following expresses the number of meters a contestant must travel in a 3-lap race where the course is a circle of radius R meters?

Tags

CCSS.7.G.B.4

A poll of 200 registered voters was taken before the election of Springdale's mayor. If the information in the chart were converted to a circle graph/pie chart, then the central angle for Gomez should measure how many degrees?

• 90°

• 108°

• 144°

Tags

CCSS.5.MD.A.1

Meg pounded a stake into the ground. When she attached a leash to both the stake and her dog’s collar, the dog could reach 9 feet from the stake in any direction. Using 3.14 for pi, what is the approximate area of the lawn, in square feet, that the dog could reach from the stake?

• 28

• 57

• 113

• 254

• 283

Tags

CCSS.7.G.B.4

The figure below consists of a square and 2 semicircles, with dimensions as shown. What is the outside perimeter, in centimeters, of the figure?

• 8 + 8π

• 16 + 8π

• 16 + 16π

• 32 + 8π

• 32 + 16π

Tags

CCSS.3.MD.D.8

In the circle shown below, diameters TR and QS intersect at P, which is the center of the circle, and the measure of ∠PST is 30°. What is the degree measure of minor arc RS?

• 30°

• 45°

• 60°

• 90°

• Cannot be determined from the given information

Tags

CCSS.HSG.C.A.2