SOLUTION: what is the surface area of a pyramid with a base area of 81cm and a slant height of 6cm for each triangular face?
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Question 1077132: what is the surface area of a pyramid with a base area of 81cm and a slant height of 6cm for each triangular face?
Answer by ikleyn(52855) (Show Source): You can put this solution on YOUR website!
.
Since the base area is 81 cm^2, then the base side dimension is = 9 cm.
Thus the lateral surface area is four times the area of a triangle with the base of 9 cm and the height of 6 cm.
Can you complete the solution on your own from this point ?
On surface area of pyramids see the lessons
- Surface area of pyramids
- Solved problems on surface area of pyramids
in this site.
Also, you have this free of charge online textbook on Geometry
GEOMETRY - YOUR ONLINE TEXTBOOK
in this site.
The referred lessons are the part if this textbook under the topic
"Surface area of 3D solid bodies".
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