Perimeter
Polygons
Area
Circles
Perimeter OR Area
100
What does perimeter mean?
A. the amount of space inside a shape
B. the amount of space inside a shape divided by two
C. the distance around the shape
C. the distance around the shape
100
How many sides does a Quadrilateral have?
4 sides
Quadrilateral just means "four sides"
(quad means four, lateral means side).
A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides.
100
Find the AREA of this figure.
160 square feet
Rectangle
Area = length × width
100
The circle has a diameter 14 inches. What is its circumference?
Circumference = 44 inches
100
What does area mean?
A. the distance around a shape
B. the amount of space outside a shape
C. the amount of space inside a shape
C. the amount of space inside a shape
200
Find the perimeter of the rectangle.
the perimeter of this rectangle is 7+3+7+3 = 20
200
How many sides does a Pentagon have?
5 sides
200
What is the total area of the model?
12 centimeters squared
200
Find the circumference. Round to the nearest tenth.
A. 18.8 cm B. 75.4 cm. C. 37.7 cm. D. not enough information
37.7 cm
C = 3.14 x 12 = 37.68
200
To calculate the amount of carpeting needed for your bedroom,
which of the following should you find: perimeter or area
Area
300
The diagram shows a regular hexagon.
What is its perimeter?
5 + 5 + 5 + 5 + 5 + 5 = 30
6 × 5 = 30
300
How many sides does a Hexagon have?
6 sides 
300
Find the area:
Area = 40 yd^2
300
The _____ is the distance from the center to any point on the circle.
radius
300
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
radius = 3 so A = 3.14 * 3^2 = 28.26 meters squared
400
Find the perimeter of the triangle.
15 + 17 +8 = 40 feet
400
How many sides does an Octagon have?
8 sides
400
Find the Area of this triangle
18.9 km^2
Area = ½ × b × h
b = base h = vertical height
400
If you are given the diameter, how can you calculate the radius?
Divide the diameter by 2
400
Mrs. Kalland is making a rectangular-shaped quilt that measures 14 feet long and 6 feet wide. How much material will she need to purchase to create her quilt?
What is 84 square feet.
500
What is the perimeter of the rectangle?
Perimeter = distance around edge = 7.5 + 4.5 + 7.5 + 4.5 = 24
500
True or False:
A regular polygon has all angles equal and all sides equal, otherwise it is irregular
TRUE: A regular polygon has all angles equal and all sides equal, otherwise it is irregular
500
Find the area
Area = 126 m^2
Big Rectangle Area = 10 x 11 = 110
Square Area = 4 x 4 = 16
110 + 16 = 126
500
The distance across a circle through its center is called the _____.
diameter
500
The diagram shows a rectangle and a square.
If they have equal perimeters, what is the length of one side of the square?
5
Perimeter of the rectangle = 7 + 3 + 7 + 3 = 20
Since they have equal perimeters, the perimeter of the square = 20
So the length of one side of the square = 20/4 = 5