If the angles of a triangle with measures in the ratio of 5 : 6 :7, then find the measure of the smallest angle.
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OpenStudy (anonymous):
40
50
60
70
@AlexandervonHumboldt2 Do you know
OpenStudy (campbell_st):
add the parts of the ratio... this is called the unitary method
Parts = 5 + 6 + 7
what's the answer...
OpenStudy (anonymous):
18?
OpenStudy (alexandervonhumboldt2):
yeah
OpenStudy (campbell_st):
great so the goal is to find the value of 1 part... then work from there.
so the angle sum of a triangle is 180
and you have 18 parts...
what is the value of 1 part in the ratio... 180/18
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OpenStudy (anonymous):
10!
OpenStudy (campbell_st):
great so the smallest angle is 5 parts... what size is it..?
OpenStudy (alexandervonhumboldt2):
5*10
OpenStudy (alexandervonhumboldt2):
an so you can find others angles too
OpenStudy (anonymous):
HMMM... So it would be B. 50
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OpenStudy (anonymous):
Can you help with something else
OpenStudy (anonymous):
Nvm ill open another question
OpenStudy (alexandervonhumboldt2):
yes
OpenStudy (campbell_st):
just post things as new question, the aim of open study is to help you develop an understanding rather than giving direct answers.