Question

how to solve this question (2)​

Answer 1

Answer:

Given:

T.S.A=88cm

h=5cm

To Find:

Radius(r)=?

Solution:

T.S.A=2$\pi$r(h+r)

88=2×22×r(r+5)

          7

88×7=r+r+5

    22

4×7=2r+5

28=2r+5

28-5=2r

23=2r

23=r

2

∴r=11.5

Step-by-step explanation: