177k views
2 votes
What is the area of a circle with diameter = 10cm, using 3.14 for ?

2 Answers

2 votes

Answer:

78.5

Explanation:

User Anders Kindberg
by
4.3k points
7 votes

Answer:20

π

cm or about

62.8

cm.

Explanation:

The formula for a circumference of a circle is

2

π

r

, where

r

is the radius. We can plug our known value of the radius (

10

cm) into the formula and solve.

User Roman Kagan
by
4.5k points