A rectangle is 2 √7 feet wide and 3 √7 feet long. What is the area, in square feet, of the rectangle?

Question

A rectangle is 2 √7 feet wide and 3 √7 feet long. What is the area, in square feet, of
the rectangle?

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Calantha 4 years 2021-09-03T12:14:43+00:00 1 Answers 3 views 0

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  1. linhdan
    0
    2021-09-03T12:16:28+00:00
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    Answer:

    42ft^{2}

    Step-by-step explanation:

    2\sqrt{7} × 3\sqrt{7}

    Multiply the numbers outside the root and inside the root.

    2x3=6      7x7=49

    6\sqrt{49}

    Simplify whats under the root

    \sqrt{49} = 7

    6×7=42

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