Question

23. True or False? If the radius of a given circle is doubled to form a new circle, then the area of the new circle is double the area of the original one.

Answer 1

Why don't we try it and see.

Answer 2

What is the area of the small circle in terms of pi?

Answer 3

So hard to help someone who won't respond.

Answer 4

sorry Area=pi r squared?

Answer 5

Area=approx. 12.56637061 or 4pi

Answer 6

So if r = 2, what is the area?

Answer 7

Yes 4 pi.
What is the area of the big circle?

Answer 8

16 pi

Answer 9

Did the area double?

Answer 10

true

Answer 11

So you are telling me that 4 pi multiplied by 2 is 16 pi?

Answer 12

opps..no

Answer 13

So no. It is not doubled. It is multiplied by 4.