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Mathematics, 26.11.2020 01:00 DJEMPGYT

Serena said there are 9 stones. Find the measure of angle BAC. Hint: What is the sum of the measures of the vertex angles of the nine congruent isosceles triangles?

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Serena said there are 9 stones. Find the measure of angle BAC. Hint: What is the sum of the measures...
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