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6 April, 22:26

Kissing needs to paint the top and side of rectangular prism prism has a length of 25 mm in with a 15 mm in height of 9 mm how much paint does she need to come the top and sides

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  1. 6 April, 22:57
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    Therefore she needs 1095 mm²to paint the top and sides.

    Step-by-step explanation:

    Given that Kissing needs to paint the top and side of rectangular prism has a length = 25 mm, width = 15 mm and height = 9 mm.

    The rectangular prism has 6 face.

    The floor of the prism is not painted.

    Only sides and top is painted.

    The surface area of the sides and top is

    = 2 (length + breadth) * height + (length * breadth)

    =[2 (25+15) * 9 + (25*15) ] mm²

    =1095 mm²

    Therefore she needs 1095 mm²to paint the top and sides.
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