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6 May, 12:26

A square pyramid is shown. What is the surface area?

A square based pyramid, with bases labeled 3.5 centimeters and side length of triangle labeled 7 centimeters.

19.25 cm2

30.625 cm2

49.625 cm2

61.25 cm2

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Answers (1)
  1. 6 May, 12:34
    0
    Given:

    square based pyramid = 3.5 cm base

    side length = 7 cm

    Base Area = (3.5cm) ² = 12.25cm²

    Surface Area = Base Area + 2sl = 12.25cm² + (2 * 3.5cm * 7cm)

    S. A = 12.25 cm² + 49 cm²

    S. A = 61.25 cm²
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