kb Math 2013 #2 Flashcards
What mathematical term means that two figures are exactly the same size and shape?
congruent
What kind of triangle has three congruent sides?
equilateral
What is the formula for the area of a rectangle?
area = length x width
How do we find the perimeter of a rectangle?
add up the sides
What is the term given to a group of 100 years?
century
What is the term given to a group of 1,000 years?
millennium
What is the term given to a group of 10 years?
decade
What is the term given to a group of 20 years?
score
What do we call the figure written below the line in a fraction?
denominator
What is the next prime number after 7?
11
How many sides does a nonagon have?
9
What kind of triangle has no equal sides?
scalene
What does 3 squared equal?
9
The internal angles of an equilateral triangle all measure how many degrees?
60
What do we call the distance from the center of a circle to its edge?
radius