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Find the measure for angle A. A. 75 B. 60 C. 30 D. 38
asked
Aug 23, 2022
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Find the measure for angle A.
A. 75
B. 60
C. 30
D. 38
Mathematics
high-school
KieranPC
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180-90=90 (right angle is 90; all angles in triangle add to 180)
So the last two add up to 90
x+37+x+67=180 SPOE and CLT
-37 -67 -37
-67
2x=76
———-
2
X=38
Charan Teja
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Aug 24, 2022
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Charan Teja
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∠A = 30°
180 = 90 + x + 37 + x + 67
180 = 194 + 2x
180 - 194 = 2x
-14 = 2x
-14/2 = 2x/2
-7 = x
substitute x for (-7)
∠A = x + 37
∠A = (-7) + 37
∠A = 30°
Itsandy
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Aug 29, 2022
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Itsandy
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