The expression πr² is used to determine the area of a circle, where r is the length of the radius. What does the expression π(5b

Question

3 years ago

7

The expression πr² is used to determine the area of a circle, where r is the length of the radius. What does the expression π(5b

)² represent?
a) the area of a circle with radius 5

b) the area of a circle with radius 25

c) the area of a circle with radius 5b

d) the area of a circle with radius 25b²

Mathematics

1 answer:

Monica [59] · Answer 1 · 2021-11-27T20:15:45+03:00

Monica [59]3 years ago

8 0

The answer is c because all you are doing here is subbing the variable r for 5b.