Question

The front door of a house is broken and needs to be replaced. The perimeter of the door is 26 units of the width of the door is 3 units, what is the area of the door
in unit??

Answer 1

Answer:

we only have the width so we need to find the length

perimeter of the rectangle = 2 x (length +width)

26= 2x(length + 3)

26/2=length+3

13=length +3

13-3 = length

10 =. length

area is length x width

10×3=30 unit sq.

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Answer 2

Answer:

30 units

Step-by-step explanation:

L = Length & B = Breath

Perimeter of door = 2(L+B)= 26 units.

2(L+3)=26 units.

2L+6=26

2L=26-6

2L=20

L=20/2

L=10 units

Therefore, Area of door=Length*Breath

= 10*3 units

= 30units

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