Area of Parallelogram
Area of Triangle
Area of Trapezoid
Area or Perimeter from Coordinates
Potpourri
100
What is the formula to find the area of a parallelogram?
A = b x h
100
What is the formula to find the area of a triangle?
A = 1/2 b x h
100
What is the formula to find the area of a trapezoid?
A = 1/2 h (b1 + b2)
100
If my shape only has three coordinates, what type of shape is it?
Triangle.
100
What is the perimeter of a shape?
It is the outer edge around the shape.
200
Base = 8 inches
Height = 9 inches
Area = 72 inches 2
200
Base: 5 ft
Height: 3 ft
Area = 7.5 ft 2
(or 7 1/2)
200
Base 1: 6
Base 2: 12
Height: 7
Area = 63 units2
200
What is the perimeter of this shape?
A (3, 3), B (3, 5), C (7, 5), D (7, 3)
AB- BC-
CD- DA-
The perimeter is 12 units.
200
12 x 6 =
72
300
Base : 18cm
Height : 9 1/4 cm
Area: 166 1/2 cm2
300
Base: 14 in.
Height: 21 in.
Area = 147 inches2
300
Base 1: 10
Base 2: 6
Height: 9
Area = 72 units2
300
What is the perimeter of this shape if its length is multiplied by 2?
H (1, 1), I (1, 9), J (7, 9), K (7, 1)
HI: IJ:
JK: KH:
The perimeter is 56 units.
300
If the width of a rectangle tripled, what would happen to the area?
The area would also be tripled.
400
Use the area to find the base.
Area: 24 feet 2
Height: 3 feet
Base : 8 feet
400
Use the area to find the base of the triangle.
Area = 245 in.2
Height = 14 in.
Base = 35 in.
400
Use the area to find the height of the trapezoid.
Area = 100 units 2
Base 1: 11
Base 2: 14
Height = 8 units
400
Find the area of the shape from these vertices if they were quadrupled.
Base 1: 3
Base 2: 4
Height: 4
Area = 42 units2
400
The figure shows square ABCD and triangle ADE drawn on a grid.
What is the area of quadrilateral ABCE
A = 48 units2
500
Use the area to find the height of the shape.
Area: 142 1/2 feet 2
Base: 9 1/2 feet
Height: 15 feet.
500
Use the area to find the area of the triangle if it is tripled in size.
Base = 8 cm
Height = 7 cm
New Area = 168 cm 2
500
Use the area to find the height of the trapezoid.
Area = 68 m2
Base 1: 6 m
Base 2: 11 m
Height = 8m
500
Andre is creating a border around his rectangular patio with paver bricks. The coordinates of the vertices of the patio are (1, 5), (6, 5), (6, 1), and (1, 1). Each grid square has a length of 3 feet. Find the amount of brick, in feet, needed for the perimeter.
Perimeter = 54 feet.
500
Tom's baseball team wins 5 out of every 12 games they play. If the team played 36 games, how many games did Tom's team win?
15 games