What logo is this?
Steam
How do you find the perimeter of any shape?
Add up all the sides!
What is the radius of this circle?
5 cm
What logo is this?
Duolingo
Proportional or not proportional?
proportional
What does this line over the 5 and 6 mean?
repeating decimal
What is the formula for area of a rectangle?
Base x Height
OR
Length x Width
What is the diameter of this circle?
10 cm
Shapes that are the same shape but different sizes
scaled copies or similar figures
Proportional or not proportional?
Not proportional because it doesn't start at (0,0)
pi
pi, 3.14...
What is the formula for circumference?
pi *diameter
What is the area of this circle? (must include units)
79.5 square cm
Where is this?
Australia
Proportional or not proportional? Why?
No proportional because it is adding.
reciprocal
What is the formula for the area of a circle?
pi*radius*radius
pi*radius^2
What is the circumference of this circle? (include units)
31.4 cm
What country's flag is this?
Turkey
Proportional or not proportional? Why?
What country's flag is this?
Panama
What is the formula for the area of a rectangle
base*heightdiv2
What is the area AND circumference of this circle? (label both and include units)
circumference= 25.12 cm
area= 50.24 square cm
This point on a graph is called
the origin
Proportional or not? Why?
Proportional because it's times 1/5 (aka divide by 5) each time.