2. Find the angles of a triangle which are in the ratio 5:6:7.
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let the angle be
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Let the angles of a triangle be 5x,6x,& 7x
a/q
5x+6x+7x= 180⁰
or,. 18x= 180⁰÷18=10⁰
so, first angle= 10⁰×5=50⁰
Second angle=6×10⁰=60⁰
Third angle= 7×10⁰= 70⁰
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