366,250 views
3 votes
3 votes
The picture shows a circular clock face.

The long hand of the clock is about 5 inches long. What is the approximate area of the clock face?

A. 5π
square inches

B.
10
π
square inches

C.
25
π
square inches

D.
100
π
square inches

User Leetwinski
by
2.8k points

2 Answers

15 votes
15 votes

Answer:

[C] 25π square inches

Explanation:

25(3.14) = 78.5

User Yunandtidus
by
3.2k points
20 votes
20 votes

Answer:

[C] 25π square inches

Explanation:

Given that:

the long hand of the clock is about 5 inches long.

To Find:

What is the approximate area of the clock face?

Solve:

Formula - A =πr²

Note that;

π = 3.14 (about)

Radius - 5 inches

A =πr²

A = 3.14(5)²

A = 3.14(25)

A = 78.5

Now let see the answer choices:

A. 5π square inches ≈ 5(3.14) = 15.7

B. 10 π square inches ≈ 10(3.14) = 31.4

C. 25 π square inches ≈ 25(3.14) = 78.5

D. 100 π square inches ≈ 100(3.14) = 314

Hence, the answer is [C] 25 π square inches

Kavinsky~

User Marcos Griselli
by
2.5k points