Question

FAN + MEDAL Marcia needs to paint all the faces and the base of a model of a pyramid she made for her history project. The dimensions of the pyramid are shown. What is the total surface area of the pyramid?


A 135 in2
B 170 in2
C 240 in2
D 260 in2

Answer 1

@robtobey @iGreen @Freez @surjithayer @Surana

Answer 2

Area is Base times height. I'd assume you could do it on all four sides and then add.

Answer 3

1/2 b x h

Answer 4

ok would it be 170? @Surana

Answer 5

Possibly. Thoughts, people? @misty1212

Answer 6

Oh wait, yeah, she's not online.

Answer 7

so its 170? @Surana

Answer 8

Honestly, I'm not sure.

Answer 9

also add the area of base .

Answer 10

i worked it out an iam not getting it?

Answer 11

http://www.wikihow.com/Find-the-Surface-Area-of-a-Pyramid

Answer 12

\[area ~of ~four~faces=4*\frac{ 1 }{ 2 }*10*7=?\]

Answer 13

area of base=10*10=100

Answer 14

add the two

Answer 15

wait so i do the area of 4 faces an that will give me my awnswer? @surjithayer

Answer 16

I think so.

Answer 17

ok i got it its 240 thanks @Surana @surjithayer

Answer 18

yes

Answer 19

:D

Answer 20

it is c