Four equilateral triangles are used to form a regular closed three-dimensional…
GATE · 2024 · GE · General AptitudeGATE · 2024 · ME · General AptitudeGATE · 2024 · PH · General Aptitude
Four equilateral triangles are used to form a regular closed three-dimensional object by joining along the edges. The angle between any two faces is
- A.
30°
- B.
arccos(1/3)
- C.
45°
- D.
90°
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