In the following figure, m∠A = 55° and the m∠ACE = 86° . What is the m∠E = ? Show your work.
1 answer:
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Answer:
x = ± 10
Step-by-step explanation:
Given
x² - 100 = 0 ( add 100 to both sides )
x² = 100 ( take the square root of both sides )
x = ± ← note plus or minus, hence
x = ± 10