Question

Topic : Angles
Website: Mathswatch

Answer 1

Answer:

X=30°

Step-by-step explanation:

Angles around a point add up to 360.

One angle is given as a right angle which is 90°

So your equation would be:

90°+5X+4X=360°

90°+9X=360°

9X=360°-90°

9X=270° (Divide both sides by 9)

X=30°

Hope that helps!