Question

What is measure angle H

Answer 1

Because ∠HML and ∠GMI are vertical angles, that have the same angle:

3x-10.

Also, ∠HML and ∠MHL add up to 3x+6, you can set up the equation:

3x-10+y=3x+6

y-10=6

y=16.

Therefore, ∠H has an angle of 16°.