Question

What is m<2+m<3? . . .

Answer 1

∠2 + ∠3 = 90°

Explanation:

Since AB and CD are parallel lines, then

∠2 and ∠3 + 90 are same side interior angles and are supplementary, thus

∠2 + ∠3 + 90= 180° ( subtract 90 from both sides )

∠2 + ∠3 = 90°