Two straight lines are drawn perpendicular to each other in X−Y plane. If α…
GATE · 2020 · CS · General Aptitude
Two straight lines are drawn perpendicular to each other in X−Y plane. If α and β are the acute angles the straight lines make with the X- axis, then α+β is ________ .
- A.
60°
- B.
90°
- C.
120°
- D.
180°
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