Arre yaar last call MrJ aap ho ki ni??
Answers
Answer:
mujjhe help cahiye ree
Explanation:
It began after the stock market crash of October 1929, which sent Wall Street into a panic and wiped out millions of investors. Over the next several years, consumer spending and investment dropped, causing steep declines in industrial output and employment as failing companies laid off workers
Given:- Perimeter of the rectangular floor:-40m
Height of the room:-4m
To find:- Area of the four walls or CSA of the room.
Solution:- We know that the CSA of a cuboid:- 2h(l+b)
or:- hx2(l+b)
Also, 2(l+b)= Perimeter of the rectangle. So,
CSA of Room:- hx40
:- 4x40
:- 160m^2
What is perimeter?
A perimeter is either a path that encompasses/surrounds/outlines a shape or its length. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications. A calculated perimeter is the length of fence required to surround a yard or garden.
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HOPE I AM CLEAR.
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