Please help, Can't figure out Problem.Will medal

What is the lateral surface area of this figure?
A.105 square feet
B.84 square feet
C.112 square feet
D.96 square feet

http://us.static.z-dn.net/files/d85/3e587aa22ccfe54a147752f2063da933.jpg

Question

Please help, Can't figure out Problem.Will medal

What is the lateral surface area of this figure? 
A.105 square feet
B.84 square feet
C.112 square feet
D.96 square feet

http://us.static.z-dn.net/files/d85/3e587aa22ccfe54a147752f2063da933.jpg

harleygirl18 · Answer

@jhonyy9
@KendrickLamar2014

harleygirl18 · Answer

@Wendy.Ivette11714

wendy.ivette11714 · Answer

I'm not sure 
@KendrickLamar2014

anthony1914 · Answer

it is B

wendy.ivette11714 · Answer

Can you explain why? :) you gave a direct answer

anthony1914 · Answer

yeah
1 sec

anthony1914 · Answer

the formula is $$\frac{ 1 }{ 2 }$$   perimeter X slant height

anthony1914 · Answer

and that would be 21 X 5 
which is 105 




sorry i gave the wrong anwser its 105 a