Question

A rectangle ABCD encloses three circles. If BC=14 cm find the area of the shaded portion

Answer 1

Answer:

126 cm^2

Step-by-step explanation:

Given :

A rectangle ABCD encloses three circles. If BC=14 cm find the area of the shaded portion.

Refer attachment for diagram.

Radius of the circle = 14/2 = 7 cm

Width of the rectangule is 14 cm.  

Length of the rectangle is (7+7+7)2

=> (21)2 = 42 cm.

breadth = 14 cm , length = 42 cm

So, Area of the rectangle = L x B

=> 42 x 14 = 588 cm^2

Area of 3 circles = 3 x πr^2

=> 3 x 22/7 x 49

=> 462^2

Now, Area of a shaded region :-

588 - 462 = 126 cm^2.

Answer 2

your answer is 126 CM square..........