13.2 Length and Area Flashcards
The distance from zero to one is called….
Unit Distance (Distance on a line Property)
a real number obtained as a the nonnegative difference on the number line….
Distance
The sum of the lengths of the sides of a polygon….
Perimeter
Perimeter of a Square…
4s
Perimeter of a rhombus with sides of length s
4s
Perimeter of a rectangle with sides of lengths a and b…
2a + 2b
Perimeter of a Parallelogram with sides of lengths a and b…
2a + 2b
Perimeter of a kite with sides of lengths a and b…
2a + 2b
Circumference…
Distance around a circle
Pi
3.14159
The number of unit squares to fill a 2-d polygon…
Square Units
This measurement is found by multiplying the lengths of two perpendicular sides of a quadrilateral…
Area
Area formula of a rectangle…
A=bh
The area formula of a square…
A=s^2
The area formula for a triangle…
A=1/2bh
When calculating the area of a triangle, any side may serve as a….
base
The perpendicular distance from the opposite vertex to the line containing the base is the…..
height
The area formula for a parallelogram….
A=bh
The distance between the parallel bases of a trapezoid…
Height
The area formula for a trapezoid
A=1/2 (a+b)h
Area formula of a circle
A=Pir^2
The longest side of a right triangle…
Hypotenuse
The two shortest sides of a right triangle…
Legs
The sum of the lengths of two sides of a triangle is always greater than the length of the third side…..
Triangle Inequality Theorem
