Respuesta :

Answer:

D

Step-by-step explanation:

This is isosceles triangle

So,  y = 53   {angles opposite to equal sides are equal}

53 + 53 + x = 180   {Angle sum property of triangle}

106 +x = 180

Subtract 106 from both sides

x = 180 - 106

x = 74

Answer:

Your answer is D. 74°

Step-by-step explanation:

Your isosceles triangle has a line on its right side and on the bottom, meaning that the top angle is equal to the bottom left side. since all triangles equal 180, you'd add 53+53 to get 106, then subtract 180-106 to get 74. Therefore, X= 74°

I could be wrong since I haven't done this in a long time, but I hope you get it right!