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1.    Calculate the area of the polygon if a = 6cm and s = 5cm

2.    Calculate the perimeter of a square if one of the sides is 4km long, giving your final answer in:

a)    kilometres

b)    metres
in Grade 12 Maths Literacy by Silver Status (28,731 points)
edited by | 16 views

1 Answer

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1.    P = sn = 5 x 8 = 40 cm

        A = aP/2 = (6 x 40)/2 = 120 cm2

2.    a.    P = 4 x 4 = 16 km

        b.    16 km = 16 x 1000 = 16000 m.
by Silver Status (28,731 points)

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