The angles of a teiangle are in ratio 6:5:7.Find the sizes of the three angles?

1 Answer
Jim G.
Feb 18, 2018

#60^@,50^@" and "70^@#

Explanation:

#"sum the parts of the ratio"#

#rArr6+5+7=18#

#"the sum of the angles in a triangle "=180^@#

#rArr180^@/18=10^@larrcolor(blue)"1 part of the ratio"#

#rArr6" parts "=6xx10^@=60^@#

#rArr5" parts "=5xx10^@=50^@#

#rArr7" parts "=7xx10^@=70^@#

#"the 3 angles are "60^@,50^@" and "70^@#

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