Answer:
21/40
Step-by-step explanation:
m∠2 is correct, m∠1 is 85°
Since, you already gave the angle for ∠2 in which it is vertical to the one shown, m∠1 must be 85° since you are finding the left angle to make a straight line of 180°
2x^2-10x+7 A=1, B=-10. C=7
-(-10)±√-10^2-4(1)(7)
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2(1)
10±√100-28
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2
10±√72
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<u>10±8.485281374</u>
<u>10+8.485281374 </u>=9.24
<u>10-8.485281374</u> =0.76