Question

find x................​

Answer 1

Answer:

130°

Step-by-step explanation:

The sum of all internal angles of a quadrilateral is 360°

Consider ∠ADC to be y

∠y + ∠x = 360° ( complete angle) ⇒ 1

The sum of all internal angles of a quadrilateral is 360°

So, 45° + 50° + 35° + ∠y = 360°

⇒ 130° + ∠y = 360°

⇒ ∠y = 360° - 130°

⇒ ∠y = 230°

Substitute the value of y in equation 1

∠y + ∠x = 360°

⇒ 230° + ∠x = 360°

⇒ ∠x = 360° - 230°

⇒ ∠x = 130°