Question

one side of a triangle is produced and the exterior angle formed is 140 degree if the corresponding interior opposite angles are in the ratio of 3 : 4 find the measure of all the angles of the triangle​

Answer 1

Answer:

60deg. and 80deg.

Step-by-step explanation:

We know that the sum of two interior angles of a triangle is equal to there opposite exterior angle .

The ratio given between angles id 3:4,so:

3x + 4x = 140

=7x=140

=x=140/7 =20

by this we can find the angles=

First angle = 3x

= 3 * 20 = 60 deg.

second angle = 4x

= 4* 20 = 80 deg.