if itis perimeter add all sides
if it is área multiply
A cause you just gotta think about it and realize you got it
Answer: ? = -22.5
Step-by-step explanation:
Using a negative number to replace the ? turns the minus into a plus sign.
-21 - (-22.5) = 1.5 is the same as -21 + 22.5 = 1.5
Answer:
Step-by-step explanation:
<em>d = 52°</em>
<em>e = 77°</em>
<em>f </em>= 180° - ( 52° + 77° ) =<em> 51°</em>
