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thill16hill
14.02.2020 •
Mathematics
The front side of an apartment building is a rectangle 60 feet tall and 25 feet wide bricks cover its surface except for a door and 10 windows the door is 7feet y'all and 3 feet wide each window is 4 feet tall and 2 feet wide how many square feet of bricks cover the front side of the building
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Ответ:
1399 sq. feet
Step-by-step explanation:
Now, the data given is
height of front of apartment = 60 feet
Width of front of apartment = 25 feet
So total are of front of apartment is = Height x Width
= 60 x 25
= 1500 sq. yards
Now for door
Height = 7 feet
Width = 3 feet
So, total are of door
= Height x Width
= 7 x 3
= 21 sq. yards
Now for each window
Height = 4 feet
Width = 2 feet
So, total are of one window
= Height x Width
= 4 x 2
= 8 sq. yards
Now note that, for 10 windows area will be
= 8 x 10
= 80 sq. yards
Now understand that we have to find the area for bricks, but bricks will cover entire front except the door and windows. So, we have to subtract area of door and windows from total front area of apartment.
Area for bricks = Total front area - (area of door + area of 10 windows)
Area for bricks = 1500 - 21 - 80
Area for bricks = 1399 sq. yards
Ответ: