Answer:
Im not sure if i can give you the entire answers, but its quite simple. A straight line=180 degrees, so subtract 112 by 180 and you get lines 1 and 3. Line 2 is just 112 because its just "flipped", so its the same number.
Step-by-step explanation:
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Given:
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Collect like terms.
Simplify
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Hope this is helpful.
4900
Square Root of 30: 5.47722557505- round it up
70x70
7x7=49
add the 2 zeros at the end