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Angles
Vocabulary
Integers
Formulas
Divisibility Rules
100
An angle that measures less than 90 degrees
What is acute?
100
A letter used to represent a number
What is a variable?
100
Integers that are less than zero
What is negative?
100
s + s + s + s
What is the perimeter of a square?
100
If the number ends in 0, 2, 4, 6, or 8
What is divisible by 2?
200
An angle that measures greater than 90 degrees
What is obtuse?
200
A six sided figure
What is a hexagon?
200
Numbers that are greater than zero
What is positive?
200
C=2∏r
What is circumference?
200
The number ends in a 0
What is divisible by 10?
300
An angle that measures exactly 90 degrees
What is a right angle?
300
A comparison of two numbers by division
What is ratio?
300
The product of a negative number and a negative number
What is positive?
300
A=1/2bh
What is area of a triangle?
300
It ends in a 0 or 5
What is divisible by 5?
400
Two angles that have a sum of 90 degrees
What are complementary angles?
400
A product of prime numbers
What is prime factorization?
400
-22 + 8
What is -14
400
A = ∏rr
What is area of a circle?
400
The digits add up to a multiple of three
What is divisible by 3?
500
Two angles whose sum is 180 degrees
What are supplementary angles?
500
Two numbers whose product is one
What is multiplicative inverse?
500
-42 - -6
What is -36?
500
A = 1/2h(b1 +b2)
What is area of a trapezoid?
500
The number is divisible by both 2 and 3
What is divisible by 6?