Answer:
x=23°
Step-by-step explanation:
93°+(3x+18)°=180°
93°+3x+18°=180°
111°+3x=180°
3x=180°-111°
3x=69°
x=69°:3
x=23°
A is the answer have a nice day
Yes all trapezoids are quadrilaterals
Answer:
3
Step-by-step explanation:
Take 2 as a common then divide by 2
6÷2 =3
True. They do not share a point or side.