Question

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Answer 1

Answer:

i) r = 44cm

ii) r = 88cm

iii) r = 22cm

Answer 2

1) given r =7

area =154cm2

perimeter= 44cm

2)given r =14cm

area = 616cm²

perimeter= 88cm

3) given = 3.5 cm

>>>>area = pie r²

= 22/7×3.5×3.5

area = 38.5 cm²

>>>>perimeter = 2 pie r

= 22/7×2×3.5

=22cm

hope it helps you..............