Area of circles

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What is the area of a circle with the diameter of 10cm ?

• 66 sq cm

• 78.5 sq cm

• 66.5 sq cm

• 10 sq m

What is the area of this circle?

• 201.06 m²

• 50.24 m²

• 123.12 m²

• 94.43 m²

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

Tags

CCSS.HSG.C.A.2

What is the area of this circle?

• 82.13 m²

• 78.54 m²

• 314.16 m²

• 170.12 m²

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

Tags

CCSS.HSG.GMD.A.1

Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.

• C = π5
• C = (2)(π)(2.5)
• A = π x 5 x 5
• A = π x 2.5 x 2.5

Tags

CCSS.7.G.B.4

what is the area of this semicircle ?

• 100.48cm²
• 80cm²
• 200.96cm²
• none of the above

Tags

CCSS.7.G.B.4

Hannah drew a circle with a radius of 30 cm. Jonas drew a circle with a radius of 20 cm. What is the approximate difference in the areas of their circles?

• 2,826 cm²
• 1,570 cm²
• 1,256 cm²
• 314 cm²

Tags

CCSS.HSG.GMD.A.1

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once? What is the circumference of this tire?

• 81 in

• 15.5 in

• 27 in

• 13 in