In the right triangle DEF, if ∠ = 90 and ∠ = 45, then what is ∠F?
30°
45°
90°
60°
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In the right triangle DEF, if ∠ = 90 and ∠ = 45, then what is ∠F?
30°
45°
90°
60°
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answer
45°
90° + 45 = 135°
180° - 135° = 45°
⬆️A triangle's angles add up to 180 degrees