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Nana76 [90]
3 years ago
9

Given C is the midpoint of BD.

Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0

Answer:definition of midpoint, angle BCA is congruent to angle DCA

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The vertex angle of an isosceles triangle is 20° less than the sum of the base angles. Which system of equations can be used to
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