Hint: 180 * 1. Find the missing angle. 29 R 61 T

Mathematics

1 answer:

shepuryov [24]3 years ago

5 0

Answer:

∠ R = 90°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , that is

∠ R + ∠ S + ∠ T = 180° , substitute values

∠ R + 29° + 61° = 180°

∠ R + 90° = 180° ( subtract 90° from both sides )

∠ R = 90°

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