Section 12.5: Lines & Planes
Exercise 53
Determine whether the planes are parallel, perpendicular, or neither. If neither, find the angle between them. (Round to one decimal place.) \(x + 2y - z = 2, \quad 2x - 2y + z = 1\)
Determine whether the planes are parallel, perpendicular, or neither. If neither, find the angle between them. (Round to one decimal place.) \(x + 2y - z = 2, \quad 2x - 2y + z = 1\)