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Which two angles in the triangles below are complementary?

I NEED HELPPPPPPPP

Which two angles in the triangles below are complementary? I NEED HELPPPPPPPP-example-1
User MLowijs
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Answer:

Explanation:

Refer to attached diagram

∠CAD = 180 - (110 + 35) = 35° (angle sum triangle = 180°)

∠BCA = 180 -110 = 70° (straight angle = 180°)

∠BAC = 180 - (55 + 70) = 55° (angle sum triangle = 180°)

∠CAD + ∠BAC = 90° (complementary)

Which two angles in the triangles below are complementary? I NEED HELPPPPPPPP-example-1
User JoseCarlosPB
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