prasannanmeethal1971
prasannanmeethal1971 prasannanmeethal1971
  • 18-08-2020
  • Mathematics
contestada

In a triangle ABC, AB=AC and ˂A=70°, find the angles,˂B and ˂C








please help !!!!!!! i will mark brainliest for first answer

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 18-08-2020

Answer:

m<B = m<C = 55

Step-by-step explanation:

Since those two sides are congruent, the base angles are congruent.

m<B = m<C = x

m<A + m<B + m<C = 180

70 + x + x = 180

2x + 70 = 180

2x = 110

x = 55

m<B = m<C = 55

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