In the figure below, m∠1 = x and m∠2 = x - 8. Which statement could be used to prove that x = 49?
1 answer:
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To be able to quickly solve this, we can temporarily make 5.47 into 547
Now, we can divide 547 by 12.
Now, we can round up from 45.5 to get 46.
However, we originally moved our decimal 2 places over, so now we must move it 2 places again.
46 ⇒ 0.46
The correct answer is $0.46