Respuesta :

ronhagrid310

Answer:

Surface area of a square based pyramid:

A = base area + lateral surface area

  = side^2 + side x slant height x 1/2 x 4

  = 8^2 + 8 x 20 x 1/2 x 4

  = 384 (in2)

Hope this helps!

:)

asuwafohjames

The surface area of the squared based pyramid is 320 squared inches.

To find the surface area of the squared based pyramid, we use the formula below

Formula:

  • A = 2aL.................. Equation 1

Where:

  • A = Surface area of the squared based pyramid
  • a = length of the base of the pyramid
  • L = Slight height of the pyramid.

From the question,

Given:

  • a = 8 inches
  • L = 20 inches

Substitute these values into equation 1

  • A = 2×8×20
  • A = 320 squared inches

Hence, The surface area of the squared based pyramid is 320 squared inches.

Learn more about surface area here: https://brainly.com/question/76387

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