Isosceles - two sides equal
2 angels the same
29 + 29 = 58
180 - 58 = 122
122 = DFE
X + 100 = 4x +49
x= 17
158+148+32+x = 360
338+x= 360
x= 22
<em>Absolute value represents distance from zero on a number line.</em>
<em>-7 and 7 are the same distance away from zero, 7 units.</em>
<em>To visualize this, take a look at the image I have made below.</em>