Question

angles equal. Find the measur . 4) Find the unknown angle in the quadrilateral whoes angles are 90°, 120° and 60°​

Answer 1

Answer:

90°

Step-by-step explanation:

Let the unknown angle be x,

Therefore,

⇒ 90° + 120° + 60° + x = 360° ( angle sum property of a quadrilateral )

⇒ 270 + x = 360

⇒ x = 360 - 270

⇒ x = 90°

Answer 2

Answer:

Step-by-step explanation:

90° is the correct answer with the help of angle sum property of a quadrilateral