I hope this helps you
x/3+y/-1=1
x/3-y=1
x-3y/3=1
x-3y=3
Answer:
30°
Step-by-step explanation:
Let the measure of the missing angle be x°
Therefore, by interior angle sum postulate of a triangle:
x + 60° + 90° = 180°
x + 150° = 180°
x = 180° - 150°
x = 30°
Thus the measure of the missing angle is 30°.
X=13 becuase im in 10th grade man c'mon
Answer: 7 times 4
Step-by-step explanation:
