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10 terms

PSSA Terms Set 3

STUDY
PLAY
line
a straight path extending in both directions with no endpoints.
line of symmetry
a line that divides a figure into two halves that are mirror images of each other.
line segment
a part of a line with two endpoints.
mean (average)
the number found by dividing the sum of a set of numbers by the number of addends.
median
the middle number in an ordered set of data, or the average of the two middle numbers when the set has two middle numbers.
mode
the number that occurs most often in a set of data.
multiples
the product of a given whole number and another number.
number sentence
an equation or inequality with numbers.
obtuse angle
an angle with a measure more than 90 degrees.
octagon
a polygon with 8 sides.