Answer:
10x+15
Step-by-step explanation:
5 x 2x=10x
5x3=15
Answer:
C) supplementary angles
D) straight angle
Step-by-step explanation:
There is a straight line, and when an angle is a straight it means its 180 degrees which makes it a supplementary angle and a straight angle.
There are no angles that are 90 degrees so its not complementary or a right angle.
Answer:
the answer is a
Step-by-step explanation: