mem8163
26.09.2019 •
Mathematics
What is the area of a hexagonal prism with a side length of 11, a height of 20, and apothem of 9.5? note: answer must not be fraction or decimal
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Ответ:
Also, the exact apothem is 9.5262... but we will adopt the given value of 9.5.
First lateral surface area
A1=6*side length*height=6*11*20=1320 units
Then the end areas
A2=2 faces * 6 triangles/face * [base * height (apothem) /2]
=2*6*11*9.5/2
=627 units
Total area=1320+627=1947 units
Ответ:
This is bit long process can't explain here