Two similar pyramids have base areas of 122 cm? and 16 cm? The surface area of the larger pyramid is 56 cm What is the surface area of

Question

Two similar pyramids have base areas of 122 cm? and 16 cm? The surface area of the larger pyramid is 56 cm
What is the surface area of the smaller pyramid?
40.1 cm
42.7 cm
522 cm
59.8 cm

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Maya 1 month 2021-10-14T22:18:27+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-10-14T22:19:55+00:00

    Answer:

    42.7 cm sq.

    Step-by-step explanation:

    small/large = 16 / 122

    16/122 = S / 56

    S = 56 * (16/122) = 7.34…

    however not in the choice

    ah ha..

    You meant :    12.2 sq. cm :  16 sq. cm  = small / large

    so   12.2 / 16 = S / 56 cm

    S = 42.7 sq. cm

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45:7+7-4:2-5:5*4+35:2 =? ( )