ciarajackson237 ciarajackson237
  • 23-12-2020
  • Mathematics
contestada

Question 3 (2 points)
Use the figure below to answer the following questions. Find the measure of each angle.

Question 3 2 points Use the figure below to answer the following questions Find the measure of each angle class=

Respuesta :

jimrgrant1 jimrgrant1
  • 23-12-2020

Answer:

∠ 1 = 70°, ∠ 2 = 140

Step-by-step explanation:

110° and the adjacent angle inside the triangle are supplementary, then

angle = 180° - 110° = 70°

Since 2 sides of the triangle are congruent, then the triangle is isosceles

Thus the 2 base angles are congruent, then

∠ 1 = 70°

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ 2 is an exterior angle of the triangle, thus

∠ 2 = 70° + 70° = 140°

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