210k views
3 votes
6.5 in. 5 in 7.5 in. What is the total surface area of this prism in square inches?

User Antriver
by
9.0k points

1 Answer

0 votes

6.5 in. 5 in 7.5 in. What is the total surface area of this prism in square inches?​

we have that

the total surface area of a prism is equal to

SA=2B+Ph

where

B is the area of the base

P is the perimeter of the base

h is the height of the prism

Let

L=6.5 in

W=5 in

H=7.5 in

so

B=L*W=(6.5*5)=32.5 in2

P=2(L+W)=2(6.5+5)=23 in

H=7.5 in

therefore

SA=2(32.5)+23(7.5)

SA=237.5 in2

surface area is 237.5 square inches

see the attached figure to better understand the problem

the surface area is the area of its six rectangular faces

so

SA=2(6.5)8(5)+2((5)(7.5)+2(6.5)*(7.5)=237.5 in2

6.5 in. 5 in 7.5 in. What is the total surface area of this prism in square inches-example-1
User Athlonshi
by
9.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories