Circle

Find the Area using this formula: A=πr²

• 18.84

• 113.04

• 37.68

• 59.1576

Tags

CCSS.7.G.B.4

What two formulas can you use to find the circumference?

• C = π·d

• C = π·r²

• C = 2·π·r

• C = d²

Tags

CCSS.7.G.B.4

In the diagram, which of these objects is a secant?

In the diagram, m\angle ACB=45\degree and BC = 7 inches. What is the area of sector ACB, rounded to the nearest tenth?

• 19.2 square inches

• 45.0 square inches

• 153.9 square inches

• 315.0 square inches

• 5.5 square inches

Tags

CCSS.HSG.C.B.5

• 4.19 cm

• 8.37 cm

• 12.56 cm

• 25.12 cm

• 33.49 cm

Tags

CCSS.HSG.C.B.5

Tags

CCSS.HSG.C.A.2

In the diagram, which of these objects is a diameter?

In the diagram, which of these objects is a semicircle?

• arc CFE

• arc CE

• arc CEF

• arc GHD

• None of these

In the diagram, which of these objects is a minor arc?

• arc CFE

• arc CE

• arc CEF

• arc AF

• None of these

In the diagram, which of these objects is a chord?