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Mathematics 15 Online
OpenStudy (anonymous):

Help me with geometry questions!!!!!!!!!!!!

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

for #5 i got 697 ima do the rest now i hope im a gud help

OpenStudy (anonymous):

@Yungwisdom2000 thanks please do

OpenStudy (anonymous):

and please show me how you did it?

OpenStudy (anonymous):

Just a quick question what grade are you in?

OpenStudy (anonymous):

Because im doing something similar and it doesnt tell me to round to the nearest tenth

OpenStudy (anonymous):

hold on, let me finish doing some selfies :DD

OpenStudy (anonymous):

10th @Yungwisdom2000

OpenStudy (jdoe0001):

https://grockit.com/blog/wp-content/uploads/2011/04/111.jpg <---- 1st and 2nd use those rules 45-45-90 rule and 30-60-90 rule respectively

OpenStudy (solomonzelman):

Do you know #1 ?

OpenStudy (anonymous):

@SolomonZelman no

OpenStudy (jdoe0001):

the rest, 3 -5 uses -> https://grockit.com/blog/wp-content/uploads/2011/04/111.jpg <-- those ratios

OpenStudy (jdoe0001):

hmmm rather -> http://www.mathwarehouse.com/trigonometry/images/sohcohtoa/sohcahtoa-all.png <--- those ratios

OpenStudy (solomonzelman):

I'll show you a rule. |dw:1393885747671:dw| Are you familiar with the above pic ?

OpenStudy (solomonzelman):

the 45-45-90 triangle :)

OpenStudy (jdoe0001):

and the last one, the square pyramid one, uses also -> http://www.mathwarehouse.com/trigonometry/images/sohcohtoa/sohcahtoa-all.png <- those ratios too

OpenStudy (solomonzelman):

SOHCAHTOA - my favorite one :)

OpenStudy (jdoe0001):

for the pyramid, if you look at the base from the bottom, you'd see that the distance to the center is half the length of the sides, then you use the ratios as shown

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