Question

find the value of x.
measures- 11x-10
angle D is 39 degrees.
angle C is 6x+11

Answer 1

Answer:

Step-by-step explanation:

Using the exterior angle property -:

39+6x+11 = 11x-10

50+6x = 11x-10

60 = 5x

x = 12

Answer 2

Answer:

done by exterior angle property

Step-by-step explanation:

this property says that sum of 2 angles in a triangle is equal to exterior angle of 3rd angle formed by traingle