sam5144 sam5144
  • 19-12-2018
  • Mathematics
contestada

what is the measure of A, in degrees?

what is the measure of A in degrees class=

Respuesta :

jimrgrant1 jimrgrant1
  • 19-12-2018

Answer:

B

Step-by-step explanation:

Since AB = AC = 8 then the triangle is isosceles and

∠C = ∠B = 30° ( base angles of an isosceles triangle )

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the base angles from 180, hence

∠A = 180° - (30 + 30)° = 180° - 60° = 120° → B


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