103k views
4 votes
The diameter of a circle is 10 meters what is the area of the circle A 31.4m2 B 62.8m2 C 78.5m2 D 125.6m2

User Oskob
by
8.7k points

2 Answers

5 votes

Answer:A31.4m

Explanation:

a.31.4m

User Arman Safikhani
by
8.7k points
2 votes

Answer:

A =78.5 m^2

Explanation:

The area of a circle is given by

A = pi r^2

The radius is found from the diameter

r = d/2 = 10/2 =5

We can approximate pi by

A = 3.14 (5)^2

A = 3.14 *25

A =78.5 m^2

User Andrei Filonov
by
8.5k points

Related questions

1 answer
5 votes
68.6k views
asked Jun 24, 2021 131k views
Jackdbd asked Jun 24, 2021
by Jackdbd
8.2k points
1 answer
1 vote
131k views