Question

Can some explain this the work is below

Answer 1

Those angles are from triangles that SHOULD be the same. Using the fact that the other two angles should equal 90 degrees is important.

Answer 2

What you need to do is 90- 31 for the first one. Since the other two angles should equal 90 it is a simple subtraction problem.

Answer 3

Correction: my problem is for the second question not the first.

Answer 4

B and F should be the same number because the tringles anr bothe the same size

Answer 5

what?

no

check attachment

Answer 6

That is incorrect. The given angles prove that. @bigjojo88