Shapes
Circles
Perimeter and Area
Triangles
Math Vocab.
100
The only polygon with three sides.
What is a triangle?
100
The distance from the center to any edge of a circle.
What is radius?
100
The name for perimeter of a circle.
What is circumference?
100
The amount that all angles within a triangle must add up to.
What is 180 degrees?
100
Sum.
What is the answer to an addition problem.
200
The definition of a square.
What is a polygon with four equal sides?
200
The space inside a circle.
What is area?
200
Length x width
What is the formula for the area of a rectangle?
200
A Right Triangle.
What is a triangle with at least one 90 degree angle?
200
The answer to a division problem.
What is a quotient?
300
A polygon with eight sides.
What is an octagon?
300
The distance across a circle, through its center.
What is diameter?
300
Pi x R (squared)
What is the formula for area of a circle?
300
A triangle with at least one angle that measures less than 90 degrees.
What is an acute triangle?
300
The place value three places to the right of the decimal.
What is thousandths?
400
A four-sided polygon that is not a parallelogram.
What is a trapezoid?
400
The distance around a circle.
What is circumference?
400
The formula for finding perimeter of a rectangle.
What is 2 x length + 2 x width?
400
An obtuse triangle.
What is a triangle with at least one angle that measures greater than 90 degrees?
400
An improper fraction.
What is a fraction whose numerator is greater than its denominator?
500
The other name for a diamond.
What is a rhombus?
500
The total degrees found in a circle.
What is 360?
500
Pi x D
What is the formula for finding the Circumference of a circle?
500
The name of a triangle with equal angles.
What is an Equilateral Triangle?
500
The property that states that when 1 is multiplied by another number, the product is the other number.
What is The Identity Property of Multiplication?
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