The formula for the area of a circle is A = r 2. Classify the area of a circle with a radius of 0.75 centimeters as either ratio

Question

AfilCa [17]

3 years ago

9

The formula for the area of a circle is A = r 2. Classify the area of a circle with a radius of 0.75 centimeters as either ratio

nal or irrational.
a) rational

b) irrational

Mathematics

1 answer:

OlgaM077 [116] · Answer 1 · 2022-02-27T15:37:56+03:00

OlgaM077 [116]3 years ago

6 0

First:The area of a circle is πr squared. Not r2
Second. The area of the circle HAS to be irrational because π is an irrational number. The answer would be, if solved for a circle with the radius of 0.75, the area would be 0.5625π, which is irrational.