Find the value of X in the figure below:
60∘
70∘
80∘
90∘
∠A + ∠B + ∠C = 180∘ (angle sum property)
⇒ 40∘ + 60∘ + ∠X = 180∘ Therefore, ∠X = 80∘
Find the value of ∠x in the following figure.