## OCCT pracice study guide

What is the definition of: formula? An equation that shows a relationship among certain quantities.
What is the formula for area of a rectangle? Length x Width.
What is the formula for volume of a cube? Length x Width x Height.
What is the definition of: angle? Two rays with a common point form an angle.
What is the tool used for measuring angles? A protractor.
What does an acute angle have to have to be acute? A measure of 0-89 degrees.
What does an obtuse angle have to have to be obtuse? A measure of 91-180 degrees.
What does a right angle have to have to be a right angle? A measure of exactly 90 degrees.
If two angles are exactly the same, what are they called? Congruent angles.
What is volume? The amount of space that a three-dimensional figure contains. Volume is measured in cubic units.
The volume of a square with measures: 5, 7, and 8 would be what? 280 cubic units.
What does perfect square mean? A number that is the square of an integer. For example, 25 is a perfect square since 25 = 5 to the second power.
What is the number that makes 64 a perfect square? 8 x 8 = 64, so, 8 is the number that makes 64 a perfect square.
What is a percent? A percent is a number expressed in relation to 100, represented by the symbol %.
What is 76% written as a fraction? 76/100. That will reduce down to 19/25.
What is 7 x 6(9+5)-12? 588.
In this pattern, what are the next 2 munbers? 76, 82, 83, 89, 90.. The next two numbers are 96, and 97.
How many quarts are in a gallon? 4 quarts = 1 gallon.
How many pints are in a quart? 2 pints = 1 quart.
How many cups are in a pint? 2 cups = 1 pint.