Question

18. Name a pair of complementary angles in this figure. ​

Answer 1

Explanation:

Angle KEF and JEK

Answer 2

• ∠DEH and ∠HEJ or
• ∠JEK and ∠KEF

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Complementary angles are the angles that together form a right angle.

In the picture we see two right angles:

• ∠DEJ and ∠JEF

The first one, ∠DEJ has a pair of complementary angles:

• ∠DEH and ∠HEJ

The second one, ∠JEF has a pair of complementary angles:

• ∠JEK and ∠KEF