The shape of a garden is rectangular in the middle and semi circular at the end find the are of the perimeter of the garden.​

where is is your Diameter.. and length of the rectangular part?

if l is length of the rectangle and b is the breadth.

then radius of circle =b/2

P of semicircle = pi *r

=pi *b/2

so, perimeter = l + pi*b/2 + l + pi*b/2

=2l+pi*b

20 m = Total length.

7 m = Diameter.

7 / 2 = 3.5 m = Radius.

= 20 - ( 3.5 + 3.5 ) = 20 - 7 = 13 m

= 7 m = Breadth.

Length × Breadth = area of rectangular field.

= 13 × 7 = 91 cm²

answer:

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find the area of semi circle... and then multiply by 2.. then find the area of internal rectangle , then add those.

hey add the length of rectangle and the circumference of circle then the result is your answer

mensuration 3

Area of the rectangular part = length x breadth

=20×7=140sq m

Area of Semicircular portions:

=п×r2

Perimeter of the shape

=22+20+20=62 metres

Step-by-step explanation:

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