Formulas
What is the formula for square
Side^2 (to the power of 2)
Square: Side = 3cm
Circle: Radius: 16cm
Area: 804.25cm
Rectangle: Length: 10, Width: 8
Area: 80cm
Triangle: Base: 25, Height:4
Area: 50cm
What is the formula for rectangle
Length X Width
Rectangle: Length: 13, Width:7
Area: 91cm
Triangle: Base: 12, Height:5
Circle: Radius: 9cm
Area: 254.47cm
Circle: Radius: 15cm
Area: 706.86cm
What is the formula for Triangle
1/2 X base X height
Triangle: Base: 10, Height: 3
Area: 15cm
Square: Side 9cm
Area: 81cm
Triangle: Base: 20, Height:4
Area: 40cm
Area = 100cm
What is the formula for Circle
Pi (3.14) X Radius^2 (to the power of 2)
Circle: Radius: 10cm
Area: 314.15cm
Rectangle: Length: 19, Width: 11
Area: 209cm
Square: Side = 11cm
Area = 121cm (squared)
Circle: Radius: 22cm
Area: 1520.53cm
How do you solve irregular shapes?
Split the shapes up, find area of each, add together
Square: Side = 7cm
Area = 49cm
Circle: Radius: 6cm
Area: 113.1cm
Circle: Radius: 21cm
Area: 1385.44cm
Rectangle: Length: 15, Width:5
Area: 75cm