Question

The inner Diameter Of a circular well is 3.5 cm it is 10 m deep find
1. it's inner curved surface​

Answer 1

Step-by-step explanation:

d=3.5 cm

r=1.75cm

height =10m = 1000cm

curved surface = 2 pi r h

= 2×22/7 ×1.75 ×1000

=44/7×1750

= 44 × 250

= 11000cm²

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