Question

a classroom is 11m long, 8m wide and 5m high. find the sum of areas of it's floot and the four walls (including doors, windows, etc. )​

Answer 1

Step-by-step explanation:

length = 11m

breth = 8m

hight = 5m

to find area

area = 2h×(l+b)

=2×5×(11+8)

=10×19

=190m

Answer 2

Answer:

length=. 11m

Step-by-step explanation:

breadth 8 m

height=5m

to find area

area=2h×(l+b)

2×5(11+8)

10×19

190