Question

solve the questions 11 to 13.

Answer 1

13). Total Area of the walls = perimeter of room × height
= 46 × 3.5
=161

Answer 2

13. 2( l+ b)=46
2( l+3.5)=46
l+3.5=46/2
l+3.5=23
l=23-3.5
l=19.5
A=l*b
=19.5*3.5
68.25