Answer:
x=29
Step-by-step explanation:
because the two sides of the acute triangle are the same length, the ones at the bottom are the same as well. the total of the angles of a triangle is 180, and we know that one of the angles are 64 so we subtract that from 180 and get 116 which we divide by two to get the other two angles: 58 and 58. at the bottom of the image, two angles are connected and make a straight 180 line so we can take 58 out of that 180 and get 122 in the obtuse angle and divide by two to get 29 in the acute angles of the obtuse triangle.
