Answer:
x=100°
Step-by-step explanation:
Sum of all angles in a quadrilateral=360
60+x+x+x= 360
60+3x= 360
3x= 360-60
3x=300
x=100
Hope it helps :-)
In mathematics, an isometry is a distance-preserving injective map between metric spaces. A composition of two opposite isometries is a direct <span>isometry.
Hope it helped!!</span>
D. If you are working hard, then you will get good grades.
8. 0, 12,-45,-156.
9.
A. -27
B. -27,-19,-13,-5,4,0
C. 0