Rewrite the following survey question to remove any bias:
1 answer:
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Answer:
expand the equation
then make q the subject of the formal
Answer:
y = -5
Step-by-step explanation:
see the pic for the steps . .
the solid is made up of 2 regular octagons, 8 sides, joined up by 8 rectangles, one on each side towards the other octagonal face.
from the figure, we can see that the apothem is 5 for the octagons, and since each side is 3 cm long, the perimeter of one octagon is 3*8 = 24.
the standing up sides are simply rectangles of 8x3.
if we can just get the area of all those ten figures, and sum them up, that'd be the area of the solid.