Subject:
MathAuthor:
sparklemurilloCreated:
1 year agoAnswer:
30° is the correct answer
Author:
benjaminclark
Rate an answer:
10Answer:
x = 120°
Step-by-step explanation:
Sum of interior angles in a quadrilateral= 360°
80+70+90+x=360
240+x=360
x=360-240
x=120°
Author:
lourdesmmpi
Rate an answer:
5