   Chapter 12, Problem 12RCC

Chapter
Section
Textbook Problem

# How do you find the angle between two intersecting planes?

To determine

To find: The angle between two intersecting planes.

Explanation

Consider two intersecting planes with normal vectors n1 and n2.

The angle between intersecting planes is the acute angle between normal vectors of the intersecting planes.

The angle between intersecting planes is determined as follows.

cosθ=n1n2|n1||n2|

Here,

|n1| is the length (magnitude) of normal vector of the f

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