Question

If the radius of a circular pond is 70 m, find its (1) perimeter and (ii) area

b) If the diameter of a circular floor of a room is 35 m find its (1) perimeter (ii) area​

Answer 1

Answer:

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Step-by-step explanation:

1 r=70

perimeter 2×22/7×70

440m

area 22/7×70×70

15400m square

2 d=35m

r=35/2=17.5

p=2×22/7×17.5

110m

area=22/7×17.5×17.5

=962.5m square