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1 answer:
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Answer:
81
Step-by-step explanation:
Knowing that;
∠ EHD and ∠FHC are vertical angles.
since, ∠FHC = 81 Thus, ∠EHD = 81
Look at picture below for more information;
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Answer:
13.994
Step-by-step explanation:
We know that the base of the cylinder is a circular base.
So circumference of base =
Given
Volume of a cylinder = = 539
Substitute r into the formula for volume of cylinder.
Now, we will cancel from the numerator and denominator.