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2 votes
Please help quick!!!!!!!!!!

Please help quick!!!!!!!!!!-example-1
User AXE
by
4.7k points

2 Answers

3 votes

Answer:

37.68 sq cm

Explanation:

Area = pi x r²

Area shaded = area whole circle minus area white circle

pi x 4² -pi x 2²

pi x 16 - pi x4

pi(16-4)

pi(12)

3.14 x 12 = 37.68

User Madan V
by
5.2k points
2 votes

Answer:

Explanation:

Un-shaded area = 3.14 x 2 squared = 12.56

Shaded area = (3.14 x 4 squared) - Area of un-shaded area

= 50.24 - 12.56 = 37.68

User Docconcoct
by
4.8k points