Question

find the perimeter of the following shapes to 1 d.p. Take π= 3.14


question no= 9 part (Ii) and (III)

solve

Answer 1

perimeter of semi circle =
$\pi \times r$
$3 \times 3.14$
$= 9.4$

ii) perimeter = perimeter of rectangle + circumference of semicircle

$l \times b + \pi \times r$

17x5 + 3. 14 x 17/2
111. 6

Answer 2

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