Question

Find the area of a circle whose area equals the half of the sum of the areas of two circles with radii 2 and 3.

13
6.5
5

Answer 1

hint:
area of circle with radius 2 is:
\[3.14 \times 2 \times 2 = ...?\]

Answer 2

12.56

Answer 3

thats what i did last time got the same think but is not one of the answeres

Answer 4

@Michele_Laino

Answer 5

Would it be 6.27pi?

Answer 6

6.28pi not 6.27

Answer 7

ok!
Now area of circle with radius 3, is:
\[3.14 \times 3 \times 3 = ...?\]

Answer 8

28.26

Answer 9

ok!

Answer 10

now the half of the sum of those areas is:
\[\frac{{28.26 + 12.56}}{2} = ...?\]

Answer 11

20.41

Answer 12

I think that is your answer

Answer 13

the answers is is having me chose from are 13pi 6pi and 5pi

Answer 14

it is simple:
what is \[\frac{{20.41}}{{3.14}} = ...?\]

Answer 15

ahh 6.5 which would be 6.5 pi?

Answer 16

yes!

Answer 17

awesome thank you

Answer 18

thank you!