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8_murik_8 [283]
2 years ago
14

One of the base angles of an isosceles triangle is 70°, and the vertex

Mathematics
1 answer:
IrinaK [193]2 years ago
8 0

Answer:

140+2×=180--> 2×=40 --> × = 20 by substitution we found that <F * 2 = 140 and angle f =79 degrees

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