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sammy [17]
3 years ago
15

Use the properties of isosceles triangles to find m

Mathematics
1 answer:
RoseWind [281]3 years ago
6 0
20° because isos has 2 equal sides. 70+70=140. You can see the triangle is dives in half. 180-140= 40. Then divide by 2 and get 20.
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