Question

Find the surface area of the given side of the castle wall.

• A. 21 sq ft
• B. 63/19 sq ft
• C. 57/5 sq ft
• D. 63/5 sq ft

Answer 1

The correct option is D 63/5 sq ft

Given :
Here,
Length = $\frac{84}{19}$ ft

Width = $\frac{57}{20}$ ft

We know that,
Surface area of the given side of the castle wall
= Length × Width
= $\frac{84}{19}$ × $\frac{57}{20}$
= $\frac{63}{5}$ sq ft

Therefore, the surface area of the wall is $\frac{63}{5}$ sq ft.

Hence, option (d) is the correct answer.