Respuesta :

Answer:

A. ACB

Step-by-step explanation:

Complementary angles are two angles whose measures add up to 90°

So BAC + ACB is 90° because ABC is 90° (the total angles of triangle is 180°)

0090086

Answer:

angle ACB

Basic facts:

complementary angles add up to 90 degrees

angles in a triangle add up to 180

Step-by-step explanation:

it is angle ACB because as we can see the triangle is a right-angle triangle

180-90=90

so we can take out angle ABC

therefore angle BAC and ACB add up to 90

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