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6 August, 13:26

21. What is the perimeter of the field shown?

(T=*/)

90m

35m

A. 290m

C. 420m

B. 310m

D. 400m

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Answers (1)
  1. 6 August, 13:36
    0
    This is simple with any shapes.

    Perimeter is equal to the sum of all sides.

    In this case the length and breadth is given, this is a rectangle.

    So the other 2 sides remaining is an exact replica of these sizes "90 and 45"

    So the sides are " 90, 90, 45, 45" respectively.

    The perimeter thus is sum of all of these

    = (90 + 90) + (45 + 45)

    =180 + 90

    Perimeter is = 180 + 90

    Thus 270m
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