Answer:
C.
Step-by-step explanation:
These angles add up to form the angle measure of a straight line.
Answer:
A
Step-by-step explanation:
The triangles are the same size but in a different form. Y= 50 and a and b equal eachother.
Answer:
Step-by-step explanation:
Given
Required
Find x such that:
This gives:
Collect like terms
Expand
Factorize
Factor out x - 1
Solve:
Angles are complementary and x is 15