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OpenStudy (anonymous):
https://s.yimg.com/hd/answers/i/0da9190cefa747bc8447c1b7182cb974_A.jpeg?a=answers&mr=0&x=1413159224&s=fa88d218167dadcba9f9ceb3116cea4f
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OpenStudy (anonymous):
I have attached the image URL of a free body diagram. I am wondering if somebody can help me to understand the angles associated with this problem
OpenStudy (anonymous):
OpenStudy (anonymous):
My question is how to determine that the angles are equal ? whats the rules?
OpenStudy (amistre64):
|dw:1413152768187:dw|
OpenStudy (amistre64):
what do all the angles of a triangle add up to?
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OpenStudy (anonymous):
180, i believe
OpenStudy (amistre64):
correct, so lets take the outside tiangle, the biggest one a + b + 90 = 180, therefore a+b = 90, right?
OpenStudy (anonymous):
yes, it must be 90
OpenStudy (amistre64):
|dw:1413152912557:dw|
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