Angle 1 would 107° since a and b are parallel. Angle 2 would be 180° - 107° = 73°.
A is 5,6 that is the answer for A gotta go but maybe someone else can help with the other ones
Answer:
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Step-by-step explanation:
The exact value of sin (-270) is determined using the calculator in degrees mode. The answer is equal to 1. If the radians mode is used, -270 is equal to -2 pi/3. Hence using the calculator, we can verify that the answer is still 1. The value of -270 matters.