Question

find the area bed a flower bed with two semicircle ends. Diameter is 10 and length of rectangle is 38 ​

Answer 1

Answer:

Step-by-step explanation:

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GIVEN :

Length of a rectangle = 44 cm

Breadth of a rectangle = 16 cm

Diameter of circle = Breadth of a rectangle = 16 cm

Radius of Semicircle = diameter/2 =  16/2 = 8 cm

AREA OF RECTANGLE = length X breadth= 44 × 16 = 704 cm²

AREA OF 2  SEMICIRCLE= 2 ×½ πr² = (π) × 8²= 64π

Area of shaded region = Area of rectangle + Area of 2 semicircles

AREA OF SHADED REGION = 704 + 64 π) = (704 + 64π)  or (704 + 64× 22/7) = 704 + 1408/7 = 704 + 201.14 = 905.14

Hence, the Area of shaded region is  (704 + 64π) or 905.14 cm².

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Answer 2

Answer:

Length and breadth of a circular bed are 38 cm and 10 cm. ∴ Area of rectangle ACDF = Length x Breadth = 38 x 10 = 380 cm2