Question

A wall is 12 feet long and 8 feet tall. There is a square window 4 feet long in the wall. What is the area of the wall surface?

96 ft 2
80 ft 2
92 ft 2
32 ft 2

Answer 1

Answer:. 80ft^2

Step-by-step explanation:

Given,

Length of wall = 12ft

Breadth of wall = 8ft

Therefore,

Area of wall = Length × Breadth

= 12ft × 8ft

= 96ft^2

Now, Given

Side of a square window = 4ft

Therefore,

Area of window = ( Side )^2

= ( 4ft )^2

= 16ft^2

A/q

Area of the surface of the wall = Area of of wall - Area of window

= 96ft^2 - 16ft^2

= 80ft^2

Therefore, area of the surface of the wall is 80ft^2

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