What is the formula for area of a rectangle?
length x width = area
OR
base x height = area
What is the formula for area of a triangle?
1/2 x base x height = area
OR
(base x height) / 2 = area
What other shape's area formula is the same as the area formula for a parallelogram?
Rectangle
What is the formula for area of a trapezoid?
1/2 x (base 1 + base 2) x height = area
What is the area of a rectangle with side lengths of 4cm and 7cm?
28cm2
What is the perimeter of a triangle with side lengths of 3cm, 4cm, and 5cm?
12cm
What is the area of a parallelogram with a height of 5cm and a base of 6cm?
30cm2
What is the perimeter of this trapezoid? 
41cm
What is the perimeter of a rectangle with side lengths of 6in and 9in?
30in
What is the area of a triangle with a height of 5cm and a base of 4cm?
10cm2
What is the perimeter of this parallelogram?
30m
What is the perimeter of this trapezoid?
26 units2
What is the perimeter of a rectangle with side lengths of 7.5cm and 3cm?
21cm
What is the perimeter of an equilateral triangle with a side length of 6cm?
18cm
What is the area of this parallelogram? 
32cm2
What is the area of this trapezoid? 
26m2
What is the area of a rectangle with side lengths of 2.5cm and 8cm?
20cm2
CHALLENGE: If a triangle has an area of 30cm2 and a base of 6cm, what is the height?
10cm
CHALLENGE: If the area of a parallelogram is 24cm and the base is 6cm long, what is the height?
4cm
What is the area of this trapezoid? 
32.5cm2