Question

the trunk of a tree is cylendrical and its cricumfrence is 154cm . if the length of the trunk is 5m. find the total surface area of trunk?​

Answer 1

Answer:

We have,

2πr=176 and h=300cm

⇒2×

7

22

×r=176 and h=300cm

⇒r=28cm and h=300cm

Volume of timber=

7

22

×28×28×300cm=

1000000

739200

=0.7392m

3

.

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