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1 May, 12:49

The parking lot next to a business is shaped like a trapezoid. The shorter base and height are both 60 feet long. The longer base is twice as long as the shorter base. Write and Evaluate an expression to find the area of the parking lot. Explain your reasoning.

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  1. 1 May, 13:49
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    Step-by-step explanation:

    A trapezoid is a quadrilateral,

    The area of a trapezoid is given as

    Area = 1/2 (a+b) h

    A = (a+b) h/2

    Where are b are the two parallel side and h is the height

    Given that

    Let the shorter base = a

    Longer base = b

    Height = h

    The shorter base and height are both 60 feet long.

    Therefore, the height = shorter base

    h=a

    The base is 60ft. i. e a=60ft

    And the height is 60ft, i. e h=60ft

    The longer base is twice as long as the shorter base.

    i. e the longer base b = 2 * a=

    b=2a

    b=2*60

    a

    b=120ft

    Then,

    Area = (a+b) h/2

    since h=a, and b=2a

    Then the area becomes

    Area = (a+2a) a/2

    Area = (3a) a/2

    Area=3a²/2

    The expression for the Area is

    Area=3a²/2

    Evaluating the area

    Area=3a²/2. Given that a = 60ft

    Then,

    Area=3 (60²) / 2

    Area=3 (3600) / 2

    Area=5400ft²
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