the diagram below shows a triangular metal plate with sides 4.5cm,6cm and 7.5cm. it has three small circular holes of radius 4mm.calculate t

Question

the diagram below shows a triangular metal plate with sides 4.5cm,6cm and 7.5cm. it has three small circular holes of radius 4mm.calculate the area of the plate to the nearest square centimeters.
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Amity 4 years 2021-08-16T02:11:37+00:00 1 Answers 21 views 0

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  1. King
    0
    2021-08-16T02:13:25+00:00
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    Answer:

    d = 4.5 cm

    A = 1/4 (p x d²)

    = 1/4 (3.14 x d x d)

    = 1/4 (3.14 x 4.5 cm x 4.5 cm)

    = 15.9 cm2

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