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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:
-0.5
Step-by-step explanation:
the first step is to isolate A which gets 39.59a+45=44.99
now get A and only A
39.59a=-.1
now divide both sides by 39.59 getting A= -0.00252589
Answer:
c should be the correct ans
Answer: 1.8 kg
Step-by-step explanation: Because 55-3 ½ is 52 so you need to do to 53.8 minus what equals 52, which is 1.8.
