Answer: look at the picture that the answer to it
Step-by-step explanation: Hope this help :D
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Answer:
Step-by-step explanation:
A. The front elevation of the pyramid in the direction of the arrow is herewith attached to this answer.
B. Base of the pyramid is a square of side 12 cm.
The height of the pyramid is 8 cm.
Slant height, XT, is 10 cm.
The total surface area of the pyramid can be determined by adding the surface areas that make up the shape.
Area of the triangular face = × base × slant height
= × 12 × 10
= 60
Area of the square base = length × length
= 12 × 12
= 144
Total surface area of the pyramid = area of the base + 4 (area of the triangular face)
= 144 + 4(60)
= 144 + 240
= 384
Therefore, total surface area of the pyramid is 384 .
How to solve it is shown with the process of Substitution in the following pictures. (The steps are listed in order from the first picture to the second picture.)
Hope this helps!
