I believe that the answer is b
To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.
Answer:
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Which language is thir?
To the nearest whole number would be 57, because .6 rounds up to the next whole number
Think: where did that 4 come from? Hint: the cube root of 64 is 4; the cube of 4 is 64.