Question

∠1 and ∠2 are angles because they share a vertex and a side. because they form a right angle they are angles. drag these tiles and drop them in the correct blank above supplementary vertical congruent adjacent obtuse complementary

Explanation:

Adjacent angles share a vertex and a side. Complementary angles add up to 90 degrees (form a right - angle).

Answer:

First blank: adjacent
Second blank: complementary