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1 September, 09:20

The length of a rectangular room is 6.5 m in the width is 4.23 meters. What is the perimeter of the room? Report the answer with appropriate number of significant digits.

-21 meters

-21.5 meters

-21.46 meters

-21.460 meters

+5
Answers (1)
  1. 1 September, 11:14
    0
    Perimeter is equal to 2l+2w, or 2 times the length plus 2 times the width.

    So to solve for this you'd take 2 (6.5) + 2 (4.23).

    2 (6.5) = 13

    2 (4.23) = 8.46

    13+8.46 = 21.46 meters.

    Based on this, the answer is C.
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