saraisrael5249 saraisrael5249
  • 21-12-2019
  • Mathematics
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please help !!!!!!!!

please help class=
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jimrgrant1 jimrgrant1
  • 21-12-2019

Answer:

x = 65

Step-by-step explanation:

The triangle has 2 congruent sides and is therefore isosceles.

The base angles are congruent, both 25°

Subtract the sum of the base angles from 180° for vertex angle

vertex angle = 180° - (25 + 25)° = 180° - 50° = 130°

Hence x = 130° ÷ 2 = 65

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