Property of inverse functions:
Therefore the answer to both is True.
Therefore the answer to both is True.
Why do you round $175,000 up to $180,000
1 answer:
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Angle a = 39°
Angle c = 123°
The measure of angle b.
∠ b = 18°
We know that,
➪ ∠ a + ∠ b + ∠ c = 180°
➪ 39° + ∠ b + 123° = 180°
➪ ∠ b + 162° = 180°
➪ ∠ b = 180° - 162°
➪ ∠ b = 18°
Therefore, the measure of ∠ b is 18°.
∠ a + ∠ b + ∠ c = 180°
✒ 39° + 18° + 123° = 180°
✒ 180° = 180°
✒ L. H. S. = R. H. S.
