Question

Just b I need to know, I need explanation also.

Answer 1

`\implies \: 2.6851 \text{ \: ft}`

`\\`

Explanation:

`\boxed{\boxed{ \blue\bigstar \red{ \bold{ \: \: math \: \: }} \blue\bigstar}}`

`\pink{\implies = \sqrt{ {36.1}^(2) - {36}^(2)} }`

`\orange{ \implies = √(1303.21) - 1.296}`

`\green{ \implies = √(7.21) }`

`\red{ \implies = 2.6851 \: \text{ft}}`