👤

Answer :

Answer:

x = 60°

Step-by-step explanation:

We know that ∠H is 30° and we know that ∠J is 90° thanks to the red box. The sum of the angles of a triangle is 180°, so we can use this to solve for x.

x + 30 + 90 = 180

x + 120 = 180

x = 60

Therefore, it is 60°.

Go Teaching: Other Questions