ijohnh14
20.10.2020 •
Mathematics
What is the area of the trapezoid shown? * 4cm 10cm 10cm 8cm
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Ответ:
Option 1 - 112 cm.sq.
Step-by-step explanation:
Given : The base has an area of square pyramid 16 cm sq. and the lateral faces have a slant height of 12 cm.
To find : What is the surface area of a square pyramid?
Solution :
First we find the side of the square.
The base has an area of square pyramid is 16 cm.sq.
The side of the pyramid is a=4
Now, The lateral surface area of the square pyramid is the multiplication of half into perimeter of square into slant height.
The total surface area of the square pyramid is multiplication of lateral surface area into area of base.
Therefore, Option 1 is correct.
The surface area of a square pyramid is 112 cm.sq.