alleryStart learning →The angle between two planes that are not perpendicular is defined as the angle between their normals that is
Aan obtuse angle
Ba right angle
Calways zero
Dan acute angle
Answer & Solution
Correct answer: D. an acute angle
The definition takes the acute angle between the normals as the angle between the planes.
Keep practising Line and Plane
Browse all Line and Plane questions for MHT-CET, or explore more Mathematics topics.
Related questions
Lines with direction ratios 1, 2, 2 and 2, 1, k are perpendicular when k equalsA line in space is completely determined byNormals to a given plane have direction ratios that areThe plane through (1, 0, 0), (0, 1, 0) and (0, 0, 1) isThe plane through the origin and the intersection of x + y + z = 1 and 2x + 3y + 4z = 5 isWhich plane passes through the line of intersection of r · n1 = d1 and r · n2 = d2?The plane containing two coplanar lines r = a1 + λb1 and r = a2 + μb2 has a normal alongIf the distance between two non-parallel lines is zero, then the lines are