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laiz [17]
3 years ago
8

What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 65° and its congruent sides

each measure 15 cm?
Mathematics
1 answer:
juin [17]3 years ago
7 0
Since base angles of an isosceles triangle are congruent the other base angle is also 65. since the three angles together sum to 180 thst leaves 180-65-65=180-130 = 50 degrees for the vertex angle
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