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Please help me with these questions! Can I have fully shown work for both, and the directions say to find the surface area of the piracies thanks.

Please Help Me With These Questions Can I Have Fully Shown Work For Both And The Directions Say To Find The Surface Area Of The Piracies Thanks class=

Sagot :

Start with the bottom, which is a 5 by 5 square, and you get 25ft^2 or square feet
Then the four sides. The area for a triangle is 1/2 base*height.
5*8 is 40/2=20
There are four of these sides so 20*4=80. 
Add this to the bottom and you get 80+25=105 square units
apologiabiology
5.

I think you mean pyramids so
surface area
there are triangles on the faces of the pyramids so 1/2BH=SA of 1 of the side so for the whole side
surface are of each side=BH
B=5
H=8
(5)(8)(1/2)=20
4 sides
(4)(20)=80= top surface area

the surface are of the base
(5)(5) =25
25+80=105 sq units
 

I can't see 6 or 7 so I'm done
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