Question

if the angles of a triangle are
in the ratio 2:3:4:,then the
difference between the
greatest and smallest angle
is__________


( A ). 10

( b ) .20

( c ) .30

( d ) 40
​

Answer 1

Answer:

2x+3x+4x=180(angle sum property)

9x=180

x=20

2x=40

4x=80

80-40=40

( d ) 40