Question

the area of four walls of a room is 77 square length and breadth 7.5 and 3.5 respectively find the height of the​

Answer 1

Answer:

so the height of room = 7

Step-by-step explanation:

Formula

Area of four walls of room = 2h(l+b)

By using formula

2h(l+b) = 77

2h(7.5+3.5) =77

2h. = 77/11

h. = 7