Register

The formula below gives A, the area of a circle with radius r.  A(r) = r2 To the nearest hundredth, what is the value of A(8)? (Use 3.14 for .)

The formula below gives A, the area of a circle with radius r.  A(r) = r2 To the nearest hundredth, what is the value of A(8)? (Use 3.14 for .)
57.0k views
1 vote
The formula below gives A, the area of a circle with radius r. 

A(r) = r2 

To the nearest hundredth, what is the value of A(8)? (Use 3.14 for .)

The formula below gives A, the area of a circle with radius r.  A(r) = r2 To the-example-1
User Alex Koshelev
by
8.2k points

2 Answers

5 votes
A(r) = πr²

A(8) = π*8*8

A(8) = 64π

A(8) ≈ 64*3.14 ≈ 200.96

Option (A) is the answer.

Hope this explains it.
User El Ninho
by
8.5k points
4 votes
the correct answer is A
User JockX
by
8.3k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!