Area from Perimeter 2

The aspect ratio (ratio of the width to the height) of a computer screen is 4:3. The diagonal measure is 15 inches. Find the area of the screen.

Area from Perimeter 1

The perimeter of a rectangle is 34 cm. The length is two more than twice the width. Find the area of the rectangle. Remember to show units.

Sum to 49

A right triangle has two integer sides that differ by 1. The longest side and shortest side sum to 49. Find the sides of the triangle.

Area is Perimeter

The value of a square's perimeter in inches is the same as the value of its area in square inches. What is the length of it's side?

Aspect ratio

Movies and the screens we view them on typically come in two formats. Standard format has a 3:4 aspect ratio, meaning that the picture height is ³/₄ of the picture width. Widescreen format has a 9:16 aspect ratio, so the picture height is ⁹/₁₆ of the picture width. A widescreen movie shown on a standard screen has two horizontal black bars, one above and one below the picture. Likewise, a standard movie shown on a widescreen screen has vertical black bars on the sides. What percent of the viewing area is lost to the black bars when viewing a widescreen movie on a standard screen? How about when viewing a standard movie on a widescreen screen?

Perimeter is Area

A rectangle is 3 inches longer than it is wide. The value of it's perimeter in inches is the same as the value of its area in square inches. What is the width of the rectangle?

Speed

You are in your car going 5 miles in 4 minutes. What is your speed in miles per hour?