We'll consider a cube of unit length:

Vector OA = 1i + 1j + 1k

|OA| = (1^{2} + 1^{2} + 1^{2})^{(1/2)} = 3^{(1/2)}

Vector OB = 1i + 0j + 0k

Find the angle between a diagonal of a cube and one of its edges.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Introduction to Dot Product (Scalar Product) concept. You can view video lessons to learn Introduction to Dot Product (Scalar Product). Or if you need more Introduction to Dot Product (Scalar Product) practice, you can also practice Introduction to Dot Product (Scalar Product) practice problems.

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Based on our data, we think this problem is relevant for Professor Clough's class at Minnesota State University - Mankato.