Question

MEDAL

Answer 1

Find the complementary angles (sum of angles in a straight line)
First angle = 180 - (z - 13) = 193 - z
Second angle = 180 - z
Third angle = 180 - (z + 10) = 170 - z.

Sum of interior angles in triangle = 180 = (193 - z) + (180 -z) + (170 -z)
180 = 543 - 3z
3z = 543 - 180
z = ?

Answer 2

The sum of the exterior angles of any convex polygon is 360 degrees.

Answer 3

i am solving right now

Answer 4

is it 120 @Mertsj

Answer 5

z+z-13+z+10=360
Solve that equation.

Answer 6

111 @Mertsj

Answer 7

Now add 3 to both sides and then divide both sides by 3