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Area is 203 sq. cm.
Explanation:
Height of the triangle = Diameter of the half circle =2 x radius = 2 x 7 cm = 14 cm
Area of the half circle = 1/2 pi x radius x radius
= 1/2 x 22 x 7 x 7 /7=22 x 7/2 = 77 sq. cm
The area of the right angled triangle= 1/2 x base x height = 1/2 x 18x 14 =126 sq. cm
Total area = The area of the right angled triangle + area of the half circle = 126 sq. cm + 77 sq. cm = 203 sq. cm
Explanation:
Height of the triangle = Diameter of the half circle =2 x radius = 2 x 7 cm = 14 cm
Area of the half circle = 1/2 pi x radius x radius
= 1/2 x 22 x 7 x 7 /7=22 x 7/2 = 77 sq. cm
The area of the right angled triangle= 1/2 x base x height = 1/2 x 18x 14 =126 sq. cm
Total area = The area of the right angled triangle + area of the half circle = 126 sq. cm + 77 sq. cm = 203 sq. cm
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