olivia981 olivia981
  • 03-03-2019
  • Mathematics
contestada

Find the lateral area of the pyramid to the nearest whole number.

Find the lateral area of the pyramid to the nearest whole number class=

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imlittlestar
imlittlestar imlittlestar
  • 04-03-2019

Answer:

The correct answer is first option.  204 m²

Step-by-step explanation:

Formula:-

Lateral surface area of square pyramid = 4 * area  of triangle

To find the slant height of triangle(l)

l = √(6² + 6²) = 6√2

To find the area of triangle

Area = bh/2

b = 12 m

h =  6√2

Area = (12 * 6√2)/2 = 36√2

To find the lateral surface area of Prism

Lateral surface area of square pyramid = 4 * area  of triangle

= 36√2 * 4 = 203.64 ≈ 204 m²

First answer is the correct option

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