Solutions
Low complexity :
opposite sides are parallel so Fg has to also be 55
FG=55
Medium complexity :
add 6 to both sides:
2x+12=4x-6
+6 +6
Divide both sides BY 2:
18 =2x
2 2
X= 9
High complexity
A rhombus equals 90 degrees. All interior angles are equal to 180. So create an equation.
180-(15+90) =
180 - 105 =
DBC=75
opposite sides are parallel so Fg has to also be 55
FG=55
Medium complexity :
add 6 to both sides:
2x+12=4x-6
+6 +6
Divide both sides BY 2:
18 =2x
2 2
X= 9
High complexity
A rhombus equals 90 degrees. All interior angles are equal to 180. So create an equation.
180-(15+90) =
180 - 105 =
DBC=75