Question

What is the measure of the exterior angle a in
the triangles?
If only 40degree is given​

Answer 1

Answer:

abe bhai dekh pehli baat ki exterior angles of a triangle make 360°...so if one angle is 40° then it's linear angle means adjacent exterior angle...will be...180° - 40° = 60°...ek angle aur dede me batatahu...

Answer 2

Answer:

140 degree

Step-by-step explanation:

if 40 degree is adjacent to exterior angle then the value of exterior angle will be 180-the angle adjacent.

so, 180-40=140