1.

Find the side of the square.Takeπ=8. In the adjoining figure, the radius is 3.5 em. Find the perimeter of the quarter of thecircle, correct to one decimal place.9. Find the perimeter of the following shapes to 1 d.p. Take π = 3.14.3.5 cm

Answer»

Perimeter of given figure= 1/4(pi*r*r) + 2rr = 3.5 cm= 1/4(22/7)*3.5*3.5 + 2*3.5= 1/2(11*.5*3.5) + 7= 9.625 + 7= 16.625 cm



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