Area of a Circle_Week 1

What is the area of a circle with a diameter of 5 meters?

• A. 19.625 m2

• B. 196.25 m2

• C. 15.7 m2

• D. 1.57 m2

Every time it rains, Mrs. Flores saves water in a big clay jar called “Tapayan”. She covers them with a circular galvanized iron with a radius of 5 dm. What is the area of the circular cover?

• A. 7.85 dm2

• B. 785 dm2

• C. 78.5dm2

• D. 78.5m2

If a pizza has a diameter of 24 inches, what is it’s area

• A. 452.16 m2

• B. 452.16 in2

• C. 45.216 cm3

• D.4512.6 cm4

The radius of a tambourine is 10 inches. What is it’s area?

• A. 62.8 inches2

• B. 314 inches2

• C. 2.5 inches2

• D. 20 inches2

A therapy pool in a water spa is in the shape of a 8-meter radius circle. How much material would it take to cover it?

• A. 200.96 m2

• B. 20.96 m2

• C. 210.96 m2

• D. 20.625 m2

Find the area of the given circle. r = 6cm

• A. 11.304 cm3

• B. 1130.4 cm3

• C.113.04

• D.113.04 cm2

What is the area of a circular garden whose diameter is 15 meters?

• A. 176. 625 cm3

• B. 17.625 cm3

• C. 17.625 m2

• D. 176.625 m2

Solve for the area of the given circle. r = 30 cm

• A. 28.26cm3

• B. 2.826cm3

• C. 282.6cm3

• D. 2826 m2

An extension of a house is semi-circular in shape with a radius of 4 meters. Can you find its area?

• A. 50.24 cm3

• B. 50.24 m2

• C. 502.4 cm3

• D. 5.024 m2

Lyn wants to refinish a circular table that is 2.4 meters in diameter. If the refinishing costs ₱255 per square meter, how much will she spend?

• A. P 1,153.008

• B. P 1921.68

• C. P 11,153.008

• D. P 19211.68