Two circles have a scale factor of 3:2. We need to find the ratio of areas of these circles. 9:4, 13:12, 12:26 and 3:2

Mylo O'Moore

Mylo O'Moore

Answered question

2021-08-04

Two circles have a scale factor of 3:2. We need to find the ratio of areas of these circles.
1) 9:4
2) 13:12
3) 12:26
4) 3:2

Answer & Explanation

opsadnojD

opsadnojD

Skilled2021-08-05Added 95 answers

Step 1
Let, r1 and r2 be the radii of two circles.
According to the question,
r1r2=32
Ratio of areas of both circles
π r12π r22=(r1r2)2=(32)2=94
First option is the correct answer.

Do you have a similar question?

Recalculate according to your conditions!

New Questions in High school geometry

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?