Question

8. The exterior angles of a triangle are 3yº, 4yº
and 5yº.
(0) Find the value of y.
(ii) Find the smallest interior angle of the triangle.

9. Three of the exterior angles of an n-sided polygon
are 15°, 250 and 70°, and the remaining exterior
angles are 50° each. Find the value of n.

10. Three of the exterior angles of an n-sided
polygon are 50° each, two of its interior
angles are 127° and 135°, and the remaining
interior angles are 1730 each. Find the value of n.
Please help me with these three questions)) thank you

Answer 1

Answer:

8. y is 60

Step-by-step explanation:

3y+4y+5y=180

12y=180

y=60