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# In Exercises $33-36$ the dimensions of a rectangular box are given. Sketch the box and find the length of a diagonal of the box.$12,4,3$

## $d=13$

Angles

Right Triangles

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##### Heather Z.

Oregon State University

##### Kristen K.

University of Michigan - Ann Arbor

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### Video Transcript

we know that a squared is 12 squared plus four squared, which is 144 plus 16. There for a squared is 1 60 therefore, is the skirt of 1 60 Now we know we can introduce a new variable. D squared is a squared under 60 plus three squared, which is nine, which is a skirt of 169. Therefore 13 is D.

#### Topics

Angles

Right Triangles

##### Heather Z.

Oregon State University

##### Kristen K.

University of Michigan - Ann Arbor

Lectures

Join Bootcamp