Question

pls pls tall me answer of circles ​

Answer 1

Answer:a)314.28cm²

b)50.28cm²

c)264cm²

Step-by-step explanation:

a) Area of the larger circle=3.14x(10)²=314.28cm²

b)Area of smaller circle=3.14x(4)²=50.28cm²

c)Area of the shaded region= Area os larger circle-area of smaller circle

=(314.28-50.28)cm²=264cm²

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Answer 2

(a) Area of a circle = πr²

= 3.14×10×10

Area of larger circle = 314 cm²

(b) Area of a circle = πr²

= 3.14×4×4

Area of smaller circle = 50.24 cm²

(c) Area of the shaded region = Area of larger circle - Area of smaller circle.

= 314 - 50.24

= 263.76 cm²