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Mathematics 15 Online
OpenStudy (anonymous):

http://usatestprep.com/modules/gallery/files/65/6574/6574.jpg A carpenter designs an A-frame chalkboard. Its support bars form the equal sides of an isosceles triangle. If the measure of base angle ABC is 75°, what is m∠BAC? A) 15° B) 30° C) 75° D) 105°

OpenStudy (anonymous):

i picked C cuz its an isociles

OpenStudy (ageta):

ok i will answer

OpenStudy (ageta):

triangle is all ways 180 ' so 75+75-180

OpenStudy (ageta):

180-150

OpenStudy (anonymous):

the answer is 30 because when you add 75 plus 75 it equals to 150 and subtract 180 from 150 it equals to 30

OpenStudy (ageta):

so the answer is 30

OpenStudy (anonymous):

ohh ok

OpenStudy (ageta):

i was first

OpenStudy (anonymous):

do you have any more questions?

OpenStudy (anonymous):

yea

OpenStudy (ageta):

can i get the medal because she got is last time

OpenStudy (anonymous):

the next one is really hard

OpenStudy (anonymous):

what is it

OpenStudy (ageta):

OK bring it on.

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