when keisha installed a fence along the 200 feet perimeter of her rectangular back yard she left and opening for GATE in diagram below she used X to represent the length of the gate
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Answer:
10 feet
Step-by-step explanation:
Dimensions are:
Length = 60 + x ft.
Breadth = 30 ft.
Perimeter = 200 feet.
⇒ 2(l + b) = 200
⇒ 2(60 + x + 30) = 200
⇒ 2(90 + x) = 200
⇒ 180 + 2x = 200
⇒ 2x = 200 - 180
⇒ 2x = 20
⇒ x = 10.
Therefore, length of the gate = 10 feet.
Hope it helps!
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