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Angles A,B,C of a Triangle ABC satisfy B - A=30° and C- B=45°. Find all the angles. * |
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Answer» Answer: As we KNOW SUM of all the ANGLES of triangle =180 B-A=30 B=30-A C-B=45 C=45-B and -B=45+C A+B+C=180 A+(30-A)+(45-B)=180 A+30-A+45-B=180 75-B=180 -B=180-75 -B=105 45+C=105 C=105-45 C=65 A+B+C=180 A+(-105)+65=180 A-105+65=180 A-45=180 A=180+45 A=225 |
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