Question

a square shaped cardboard ABCD has length 16cm. Circle with radius 7cm is cut from it. Find area of the remaining portion
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Answer 1

Answer:

Answer = 56 cm

Step-by-step explanation:

In triangle ABCD ,

length- 16

radius- 7

area- ?

area = 1/2 ×16 ×7

area = 8×7

area = 56 cm

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Answer 2

Answer:

area of sq.=a²

=16*16

=256cm²

area of circle=πr²

=3.14*(7)²

=3.14*49

=153.86cm²

area of remaining portion= ar. of square-ar. of circle

=256-153.86

=102.14cm²