Respuesta :

xxxxx39
Hope this helps :)
Both angles are equal
Ver imagen xxxxx39
HamK

Answer: m∠A = 55°

Step-by-step explanation:

Here, m∠A = m∠C.

This is because of property of isosceles triangle.

Now,

m∠A = m∠C

3x + 40 = x + 50

3x - x = 50 - 40

2x = 10

x = 5.

Now,

m∠A = 3x + 40

= (3 × 5) + 40

= 55°