Question

The angles of a triangle are in the ratio 4: 5: 6. Find the angles.

Answer 1

4:5:6=4x:5x:6x

4x+5x+6x=180

15x=180

x=180/15=12

first angle= 4(12)=48

second angle=5(12)=60

third angle =6(12)=72

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Answer 2

let the angles of the triangle be 4 x 5 x and 6x
then
4 x + 5 x + 6 x is equal to 180 degree due to the angle sum property of a triangle
so.
$4x + 5x + 6x = 180 \\ 15x = 180 \\ x = 180 \div 15 \\ x = 12$
so the angles are
4x= 48
5x=60
6x= 72