A straight angle is 180 degrees. if you bisect it (cut it in half), you'll end up with two 90 degree angles, which are called right angles.
Do you have a picture of the whole question?
ANSWER
6.63
Explanation:
Equation used: c2 = a2 + b2 ( rearranged due to having the two sides )
c2 = 12^2 + 10^2
c2 = 144 - 100
c2 = 44
c2 = 6.63 ( the square root of 44 )
Answer:
-2 + 2.3 - 11 = -4
Step-by-step explanation:
yall need to learn more in class