Answer:
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Step-by-step explanation:
I took test
Answer:B
x2 - 9x +20
20/ 42 is equivalent....
Solution given:
radius [r]=4
height [h]=5
we have
Surface area of cylinder=2πr(r+h)
=2π×4(4+5)
=<u>72πunits³ is a required volume.</u>
