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Mathematics 8 Online
OpenStudy (anonymous):

Feedback.

OpenStudy (anonymous):

OpenStudy (anonymous):

@ikram002p

OpenStudy (anonymous):

Have you done logic before? The tricky part to this is knowing what the symbols mean

OpenStudy (ikram002p):

ur correct ^^

OpenStudy (anonymous):

thanks help me with more please

OpenStudy (ikram002p):

sure :)

OpenStudy (anonymous):

OpenStudy (anonymous):

Oh yes he is correct, didn't see the bubble filled in haha

OpenStudy (anonymous):

hahah both of them??

OpenStudy (anonymous):

@ikram002p

OpenStudy (ikram002p):

mmm well ur correct in both ^^

OpenStudy (anonymous):

yeah thanks hun!

OpenStudy (anonymous):

OpenStudy (anonymous):

How about this??

OpenStudy (ikram002p):

correct :P

OpenStudy (anonymous):

hahah yeah!

OpenStudy (anonymous):

Two angles of a triangle have measures of 55° and 65°. Which of the following could not be a measure of an exterior angle of the triangle? 115o 120o 125o 130o

OpenStudy (anonymous):

I dont get this?? Like what I did was I added 55+65 and got 120....but then i dont get what the questions asking

OpenStudy (ikram002p):

angels 1,2,3 are all exterior angle ok ? |dw:1407180329669:dw|

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

so 130 would be the answer because when you add it to all of these angles it is higher then 180

OpenStudy (ikram002p):

Exterior Angles Theorm : An measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.

OpenStudy (ikram002p):

since you have 3 exterior angels , <1 =60+65=125 <2=60+55=115 <3=55+65=120 so you are correct its 130

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

your a life savor!

OpenStudy (ikram002p):

how did u end up with 12 cm ?

OpenStudy (anonymous):

because, I radius equaled 5 and I just plugged it in and did the rest. I found that by using the circumference of a circle equation

OpenStudy (ikram002p):

volume of cylinder= area of the base × height solve for height :)

OpenStudy (anonymous):

OpenStudy (anonymous):

hahah i used this....

OpenStudy (anonymous):

@ikram002p

OpenStudy (anonymous):

@study100

OpenStudy (ikram002p):

wait sorry ur correct , i thought uve been givven the base area not circumference

OpenStudy (anonymous):

oh haha okay its okay so the answer is correct? Your so smart!!

OpenStudy (anonymous):

OpenStudy (ikram002p):

ur correct :) could u post other question in new thread ? cuz im bze so i miight not help u with all of them someone else might help :)

OpenStudy (anonymous):

hah true yeah!

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