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3 years ago

14

Given 2 circles: One with a diameter of 20 cm and another with a 50 cm, find the difference between the 2 areas. Hint: area= pi

times radius squared: the radius is half the diameter

1 answer:

Lelu [443]3 years ago

6 0

Answer:

1648.5

Step-by-step explanation:

20cm radius - 10

50cm radius- 25

area = 3.14×10²

3.14×100

=314

area= 3.14× 25²

3.14×625

= 1962.5

1962.5

- 314

_________

1648.5

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