Question

5. A square room is 4 m high. The area of its floor is 169 sq.m. Find the cost of painting its four walls inside at the rate of Rs. 1.5 per sq. metre, ​

Answer 1

Answer:

Step-by-step explanation:

Given,

h = 4m

A = 169 m²

side = √169m²

= 13 m

Sum of areas = 12 m²

:. *LSA excluding areas of dooks and windows =2h (1+b)

√2x4x (13+13)} m²

= (8×26) m²

= 208 m^2

1 L of paint required 40 m² area :: Total quantity of paint required = 208/40 L

=5.2L

I hope it answers your question.