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adelina 88 [10]
3 years ago
6

Please help quick!!!!!!!!!!

Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

Step-by-step 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

Brums [2.3K]3 years ago
3 0

Answer:

37.68 sq cm

Step-by-step 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

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