AQR Flashcard

Front

What is the aspect ratio of a screen?

Back

The aspect ratio is the ratio of the width to the height of a screen, expressed as two numbers separated by a colon.

Front

How do you calculate the aspect ratio from dimensions?

Back

Divide the width by the height and simplify the fraction to its lowest terms.

Front

What is the aspect ratio of a 10:20 screen?

Back

1/2

Front

How do you find the dimensions of a screen given its aspect ratio and diagonal?

Back

Use the Pythagorean theorem: if the aspect ratio is a:b and the diagonal is d, then width = (d * a) / sqrt(a^2 + b^2) and height = (d * b) / sqrt(a^2 + b^2).

Front

What is the aspect ratio of an iPhone with dimensions 19.5:9?

Back

19.5:9 is the ratio of width to height for the iPhone.

Front

If a screen has a diagonal of 8" and an aspect ratio of 19.5:9, what are the dimensions?

Back

7.264" x 3.352".

Front

How do you calculate the number of people in a crowd given area and space per person?

Back

Divide the total area by the area occupied by one person.

Front

If a crowd spans a quarter mile long and 20 feet wide, how do you find the area?

Back

Convert the length to feet (1 mile = 5280 feet), then multiply length by width.

Front

How many people fit in 25 square feet if 3 people fit?

Back

3 people fit in 25 square feet.

Front

What is the formula for the circumference of a tire given its size?

Back

Circumference = Diameter x π (pi).