12. The perimeter of a room is 28 m and its height is 2.5 m. Find the cost of whitewashing
its walls at the rate of 5 per square metre.
Answers
Answered by
0
Answer-
Step-by-step explanation:
Hight× base=?
Perimeter=2.5×base
we did not know base so
28=2.5×b
28÷2.5=b
11.2=base
know we now the base
know find the area
Area= hight×base
Area=28×2.5
70
the cost of whitewashing =5/meter
28×2.5
70
Answered by
0
Answer:
the cost of whitewashing=5/meter
28×2.5
= 70
I hope it help you and make me brainliest answer
Similar questions