Question

The two angles of a triangle are complementary . What is the third angle?

Answer 1

Answer:

If two angles are complmentary, then the sum of those angles is 90 degrees. Since the sum of all three angles must be 180 degrees, the third angle must be 180-90 = 90 degrees.

Step-by-step explanation:

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Answer 2

Answer:

2 angles are complementary means that ∠1 + ∠2 = 90°.

∴ ∠3 = 90 °

Step-by-step explanation:

2 angles are complementary means that ∠1 + ∠2 = 90°.

∴ ∠3 = 180 ° - 90 °

         = 90 °