The total surface area of the walls of class room is7cm long, 5cm wide and xcm high is 96msquare. Find the value of x
Answers
Answered by
1
Here formula is 2(lb+bh+kh)
So,to solve:
length(l)=7cm and breadth=5cm.
Let,height=x
2(lb+bh+kh)=surface area
=>2(7*5+7*x+5*x)=96
=>35+7x+5x=43
=>12x=43-35
=>x=8/12
=>x=2/3.
Therefore, height=2/3cm. <(Ans
So,to solve:
length(l)=7cm and breadth=5cm.
Let,height=x
2(lb+bh+kh)=surface area
=>2(7*5+7*x+5*x)=96
=>35+7x+5x=43
=>12x=43-35
=>x=8/12
=>x=2/3.
Therefore, height=2/3cm. <(Ans
Similar questions