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Solve for x, please help me thank you

Solve for x, please help me thank you-example-1
User AJFMEDIA
by
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1 Answer

6 votes

Answer:

x = 72°

Explanation:

Since the triangle has 2 congruent sides then it is isosceles and the 2 base angles are congruent , both 54° , then

x = 180° - (54 + 54)° = 180° - 108° = 72°

User Sonoluminescence
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