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Mathematics 9 Online
OpenStudy (anonymous):

List the sides of ΔABC in order from shortest to longest, when m∠A = 10x – 7, m∠B = 7x – 10, and m∠C = 47 – 2x. 1. List the sides of ΔABC in order from shortest to longest, when m∠A = 10x – 7, m∠B = 7x – 10, and m∠C = 47 – 2x. A. ac ; ab ; bc B. bc ; ac ; ab C. ab ; ac ; bc D. ab ; bc ; ac

OpenStudy (asnaseer):

Mertsj - this question seems to have been reposted - look higher up in the maths group...

OpenStudy (mertsj):

10x-7+7x-10+47-2x=180 15x=150 x= 10 So angle A is 93 angle B is 60 angle C is 27 |dw:1327188217959:dw|

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