k1tk8t k1tk8t
  • 14-05-2021
  • Mathematics
contestada

Find the total surface area of this square based
pyramid.
1077
10 ft
[? ]ft2
Enter

Find the total surface area of this square based pyramid 1077 10 ft ft2 Enter class=

Respuesta :

ewomazinoade ewomazinoade
  • 19-05-2021

Answer:

300ft^2

Step-by-step explanation:

Total surface area = Area of base + (1/2) x perimeter of base x slant height

Area of base = length² = 10 x 10 = 100

Perimeter of base = 2 ( length + breadth)

2 x 20 = 40

slant height = 10

100 + (1/2) x 40 x 10 = 300 ft^2

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