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An isosceles triangle has base angles that each measure 42*. Which equation can be used to find z, the measure of the third angle of this isosceles triangle in degrees? A) 84 + 2z = 180 B) 84 + z = 180
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An isosceles triangle has base angles that each measure 42*. Which equation can be used to find z, the measure of the third angle of this isosceles triangle in degrees?

A) 84 + 2z = 180
B) 84 + z = 180
C) 42 + 2z = 180
D) 42 + z = 180

User Asmaa
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2 Answers

4 votes
the answer is (B) it is clearly.
User Brian Li
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1 vote
B) 84 + z = 180, since 42*2=84, 180-84=96, z=96
User Ilya Konyukhov
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8.0k points
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