Question

a hall is 25m long 10 m wide and 5m high its wall and the roof are to be white washed from inside find the total area to be white washed​

Answer 1

Step-by-step explanation:

l =25m

b =10m ,h=5m

TSA=2(lb+bh+lh)

2(25×10+10×5+25×5)

2(250+50+125)

2×425

550m.

Answer 2

Step-by-step explanation:

leangh is 25m

breadth is 10 m

height is 5 m

very simply we solve this with no extra process

so see

2×(length ×breadth +breadth ×height +length ×height)

2×(25×10+10×5+25×5)

2×425

550m