If you have the angle of elevation from the sun (or another light source) and you have the height of a person, you can calculate the length of their shadow. There are two similar triangles, the …

## Why the Tangent Function Can be Greater Than 1, But the Sine and Cosine Functions Cannot

Regardless of the angle for which you evaluate tangent, cosine, or sine, you can always think of it as the ratio of two sides of a right triangle. See the orange angle (quadrant 1), green angle …

## How Does the Equation for Arc Length Work?

I would suggest thinking about how it works visually/graphically. It should make sense that way. The formula stands for the arc length being equal to the radius multiplied by the angle (in …

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## Angles of a Parallelogram

The measures of two consecutive angles in a parallelogram are in the ratio 4: 11. What are the measures of the four angles of the parallelogram? Here's a diagram with the information given, plus …

## The longest side if a triangle is nine meters longer than the shortest side…….

The longest side if a triangle is nine meters longer than the shortest side. The other side is twice the length of the shortest side. The perimeter of the triangle is 25 m. Solve for all three …