# According to the diagram, what is the altitude?

##### 2 Answers

Feb 12, 2018

300 meters

#### Explanation:

Use the Pythagorean Theorem,

In his case, you know *a* and *c* and need to find *b* . The names of the sides is really immaterial, but *c* is always the hypotenuse (the longest side).

So,

Then,

Then

Note that the answer has to be positive because it's a distance.

The altitude is 300 m.

#### Explanation:

if you name the triangle as ABC, where

By applying Pythagoras theorem,

or,

Thus,