Answer:
592
Step-by-step explanation:
The should be 158 ways, because 9*8+8*7+6*5=158.
Answer:
B) supplementary angles
C) 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.
The triangle has an only acute angle