Unit 2 Construction Math and Application

Question 1

arc

Answer 1

A portion of a circle

Question 2

area

Answer 2

A measurement made by multiplying length times width. The value is given in square units (square feet or square meters, for example).

Question 3

circumference

Answer 3

The perimeter around a circle.

Question 4

decimal fraction

Answer 4

A fraction with a denominator that is 10 or a multiple of 10

Question 5

denominator

Answer 5

The bottom number in a fraction.

Question 6

diameter

Answer 6

The length of a line running between two points on a circle, through the center of the circle.

Question 7

improper fraction

Answer 7

A fraction in which the numerator is larger than the denominator.

Question 8

mixed number

Answer 8

A number that consists of a whole number and a proper fraction.

Question 9

numerator

Answer 9

The top number in a fraction.

Question 10

pi

Answer 10

The ratio of circumference of a circle to its diameter, equal to 3.1416. Used when determining the area of a circle.

Question 11

proper fraction

Answer 11

A fraction that has a numerator smaller than its denominator.

Question 12

radius

Answer 12

The distance from the center of a circle to the edge of the circle.