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an equilateral triangle and an isosceles triangle share a common side. what is the measure of angle ABC?the measure of angle ABC is......°(simplify your answer)

an equilateral triangle and an isosceles triangle share a common side what is the measure of angle ABCthe measure of angle ABC issimplify your answer class=

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Answer: 50 degrees

From the figure, triangle ABD is an Isosceles triangle while triangle BCD is an equilateral triangle

The sum of all the all angles in a triangle is 180 degrees

Also, in an Isosceles triangle, the base angles are equal

65 + < ABC + 65 = 180

< ABC + 130 = 180

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