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kupik [55]
3 years ago
14

An isosceles triangle has an angle that measures 138º. Which other angles could be in that

Mathematics
1 answer:
sergiy2304 [10]3 years ago
7 0

Answer:

Let the two equal angles be x,

so,

x + x + 138° = 180°

or, 2x = 180° - 138°

or, 2x = 42°

so, x = 42°/2

so, x = 21°

21° is the answer.

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