Directions: Read and understand the problem. Choose the letter of the best answer.

A circle has a diameter of 28 m. Find its area.

Select one:

A.
615.44 m2


B.
165.44 m2


C.
15.4 m2


D.
61.44 m2

Directions: Read and understand the problem. Choose the letter of the best answer.

A typhoon formed diameter of 142 km. How big is the area covered by the typhoon?

Select one:

A.
15 288.74 km2


B.
15 828.74 m2


C.
15 828.74 km2


D.
15 288.74 mm2

Directions: Read and understand the problem. Choose the letter of the best answer.

A circular garden has a radius of 19 m. How many square meters of grass will be needed to cover it?

Select one:

A.
1 133.44 m2


B.
1 133.54 m2


C.
1 133.84m2


D.
1 133.64m2

Directions: Read and understand the problem. Choose the letter of the best answer.

The rotunda of a subdivision will be covered by grass. It has a diameter of 26 m. How many square meters of grass is needed to cover the whole rotunda?

Select one:

A.
530.66 km2


B.
53.66 m2


C.
530.66 m2


D.
530.67 m2

Directions: Read and understand the problem. Choose the letter of the best answer.

What is the area of the circle with a radius of 16 cm?

Select one:

A.
803.84 cm2


B.
703.84 cm2


C.
803.28 cm2


D.
83.4 cm2