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Mathematics 7 Online
OpenStudy (acespeedfighter):

Help l>

OpenStudy (acespeedfighter):

http://prntscr.com/bxj16e

jimthompson5910 (jim_thompson5910):

the base of the pyramid is a square that looks like this |dw:1469497965699:dw| what is the area of that square?

OpenStudy (acespeedfighter):

0.81

jimthompson5910 (jim_thompson5910):

correct

jimthompson5910 (jim_thompson5910):

each side panel looks like this triangle |dw:1469498053632:dw|

jimthompson5910 (jim_thompson5910):

|dw:1469498079873:dw|

OpenStudy (acespeedfighter):

I forgot how i find area to a triangle what is the formula?

jimthompson5910 (jim_thompson5910):

what is the area of one of the triangles?

jimthompson5910 (jim_thompson5910):

area of triangle = 0.5*base*height

jimthompson5910 (jim_thompson5910):

or area of triangle = (1/2)*base*height

OpenStudy (acespeedfighter):

3.6

OpenStudy (acespeedfighter):

3.6+0.81?

jimthompson5910 (jim_thompson5910):

you have to cut 3.6 in half to get 1.8

jimthompson5910 (jim_thompson5910):

area of one triangle = 1.8 area of 4 triangles = 7.2 (multiply 1.8 by 4)

OpenStudy (acespeedfighter):

7.2?

jimthompson5910 (jim_thompson5910):

1.8 times 4 = 7.2

OpenStudy (acespeedfighter):

yep

jimthompson5910 (jim_thompson5910):

area of bottom square = 0.81 area of side panels combined = 7.2 add up the values to get the total surface area

OpenStudy (acespeedfighter):

A!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

jimthompson5910 (jim_thompson5910):

yep 8.01

OpenStudy (acespeedfighter):

Thank you :) did you answer my question?

jimthompson5910 (jim_thompson5910):

yes 8.01 is the final answer, choice A like you said above

OpenStudy (acespeedfighter):

nope why are you level 99 but you dont have a ProfilePicture?

jimthompson5910 (jim_thompson5910):

oh, I haven't gotten around to it

OpenStudy (acespeedfighter):

hmm ok thx

OpenStudy (agent0smith):

Probably related to Homer Thompson https://youtu.be/lfft9Jx9gJk

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