each qyestion mark is a missing exponent. find the value of the exponent and match each correct answer to complete the riddle be
low! :)
1 answer:
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Answer:
819.54 cm^2
Step-by-step explanation:
We are given
Slant height = l = 20cm
and
Diameter = d = 18 cm
We have to find radius first
r = d/2 = 18/2 = 9 cm
The formula for surface area is:
As second option is nearest to calculated answer, it is the correct option ..