Tanksley Planet - Geometry
1. The aspect ratio of a TV screen is the ratio of the width to the height of the image. A regular TV has an aspect ratio of 4 : 3. Find the height and width of a 42-inch TV screen to the nearest tenth of an inch. (The measure given is the length of the diagonal across the screen.)
The aspect ratio of a rectangular shape is its length (L) divided by its width (W). It is expressed as L:W or L/W
2. The dimensions of a desk are 36in long and 24in wide. What is the aspect ratio of the desk?
3. If the aspect ratio of a chalkboard is 7:5 and the width is 9 in, what is the length of the chalkboard?
4. A television with a 6:4 pillar boxed image is displayed on a 16:9 ratio screen. What percent of the screen’s area is occupied by the image? (Divide the ratio of the smaller image by the ratio of the larger image.)
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