The angles of a teiangle are in ratio 6:5:7.Find the sizes of the three angles?
1 Answer
Feb 18, 2018
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^@#