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2 votes
Help please!!
and Thank you!!
Find the surface area.

Help please!! and Thank you!! Find the surface area.-example-1
User Kobek
by
4.2k points

2 Answers

3 votes

Answer:

2411.52 mm²

Explanation:

hope its helpful

User Asif Jalil
by
3.8k points
1 vote

Answer:

2411.52 mm²

Explanation:


40^(2) =32^2+d^2


d^2= 1600-1024


= 576


d= 24
so, (radius=12


Total~ surface ~ area= (2\pi r)*height


(2*3.14*12*82)


= 2411.52 mm^2

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hope it helps...

have a great day!!

User Locane
by
3.1k points