PQRS is a rectangle having length 15 cm and
breadth 10 cm. A semicircle with diameter 7 cm is
cut as shown in the figure. What is the perimeter of
the figure?
(1) 65 cm
(2) 50 cm
(3) 48.5 cm
(4) 72 cm
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Answer:
65cm
Step-by-step explanation:
perimeter of figure = perimeter of rectangle + perimeter of semicircle - diameter of semicircle
= 2(l+b) + πr - 7
= 2(15 + 10) +22/7 x 7 -(7)
= 2(25) + 22 -7
= 50 + 15
= 65 cm
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