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 Geometry Final Review Solution Guide (video)

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Mr. Robinson
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Mr. Robinson


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Location : San Mateo

Geometry Final Review Solution Guide (video) Empty
PostSubject: Geometry Final Review Solution Guide (video)   Geometry Final Review Solution Guide (video) EmptyWed May 28, 2014 2:27 pm

This pertains to the homework assignments A#30, A#31, and A#32.

https://www.youtube.com/watch?v=BfXixeEL5mE



I believe I missed problem #56 at the end. Please ask away if you have any questions!
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https://www.youtube.com/channel/UCb3BD34-UL-U5WHD5JVUAkg/videos
Loren Young
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Geometry Final Review Solution Guide (video) Empty
PostSubject: final prep question 21   Geometry Final Review Solution Guide (video) EmptyThu May 29, 2014 2:00 pm

Hi Mr Robinson,

The  solution to  #21. seems to be 75 root 3 as  you initially  suggest.

If the  formula as give for  SA is 1/2 the perimeter of the base times slant height, then

I believe the paper's  multiple choices do not include the correct answer.

I  will check further.

Best
Loren
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Mr. Robinson
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Mr. Robinson


Posts : 232
Location : San Mateo

Geometry Final Review Solution Guide (video) Empty
PostSubject: Re: Geometry Final Review Solution Guide (video)   Geometry Final Review Solution Guide (video) EmptyThu May 29, 2014 3:09 pm

Loren Young wrote:
Hi Mr Robinson,

The  solution to  #21. seems to be 75 root 3 as  you initially  suggest.

If the  formula as give for  SA is 1/2 the perimeter of the base times slant height, then

I believe the paper's  multiple choices do not include the correct answer.

I  will check further.

Best
Loren

Yes, but that's just for the lateral area. After that, you add 75 root 3 to 25 root 3 (the area of the base). That is where 100 root 3 comes from.

I messed up initially by not putting 1/2 in front of the lateral area initially, but upon correcting that you do find the right answer in 100 root 3 (D).
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PostSubject: Re: Geometry Final Review Solution Guide (video)   Geometry Final Review Solution Guide (video) Empty

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