What are the characteristics of an equilateral triangle?
All equal sides and angles. 3 lines of symmetry.
100
What is the formula to find the area of a square?
A= L x W
OR
A= Side x Side
100
The formula to find the perimeter of a square
What is "P=4s"
P=perimeter; s=length of side
100
What are the characteristics of a polygon?
A closed shape with straight lines
100
An angle less than 90 degrees.
What is an acute angle
200
What are the characteristics of an isosceles triangle?
2 equal sides and 2 equal angles. 1 line of symmetry.
200
The formula to find the area of a rectangle
What is "A = lw"
A= Area; l=length; w=width
200
The formula to find the perimeter of a rectangle
What is "P=2l +2w" or "P = 2(l + w)"
P=perimeter; l=length; w=width
200
What are 3 characteristics of a regular polygon?
All the same sides and angles as well as at least 1 line of symmetry
200
An angle that is exactly 90 degrees
What is a right angle
300
What are the characteristics of a scalene triangle?
No equal sides or angles. No lines of symmetry.
300
What is the perimeter of a pentagon that has a side of 5 cm?
P= 25 cm
300
What is the perimeter of an octagon if the sides are 6 cm?
Perimeter= 48 cm
300
What are the characteristics of a convex polygon?
Has all angles less than 180 degrees.
300
An angle that is greater than 90 degrees.
What is an obtuse angle
400
What is another way you can classify/name an equilateral triangle?
A scalene triangle OR a regular polygon.
400
If I have a garden with an area of 100 m squared and the garden is filled with a potato crop that takes up 60 m squared, what is the area of the garden that does not have potatoes?
40 m squared
400
The formula to find the perimeter of a rhombus
What is "P=4s"
P=perimeter; s=length of side
400
What are the characteristics of a concave polygon?
Has at least one angle greater than 180 degrees.
400
An angle that is exactly 180 degrees
What is a straight angle
500
What are 3 ways of classifying a scalene triangle that has one 90 degree angle?
A right angle triangle OR an irregular polygon OR a convex polygon
500
Challenge- can you think of a formula that can find the area of a triangle?
A of a triangle= 1/2 base x height
500
The formula to find the perimeter for a 5-sided polygon
What is "P = s1 + s2 + s3 + s4 + s5"
P=perimeter; s1 = length of one side; s2 = length of another side, etc.
OR P= 5xS (side)
500
What is an irregular polygon? What other kinds of shapes are irregular polygons? Draw an example on the board.
A polygon with unequal sides and angles. Other irregular polygons are: Convex and Concave
500
A angle greater than 180 degrees and less than 360 degrees