Answer:
hope this will help you
Step-by-step explanation:
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The answer is 4 because 2--2 the two negatives make it a positive so its 2+2=4
Answer:
5
Step-by-step explanation:
cos 60° = y / 10
y = 10 * 1/2 = 5
1. 130°
I don't remember too many specifics from my past math classes, but I always remembered this because that is an upside-down mirror of the 130° angle.
2. 50°
A straight line is 180°, and 180 - 130 = 50.