Parallelograms
Triangles
Trapezoids
Formulas
World Problems
100
True or False: Parallelograms need to be divided by 2.
False
100
True or False: Triangles need to be divided by 2.
True
100
How many bases does a trapezoid have?
2
100
The base and height must form the letter...
t
100
A construction company is building a triangular glass window for a building.
The base of the window is 18 feet, and the height is 9½ feet.
How much glass area is needed for the window?
85.5 square feet
200
Parallelograms A = ? b= 5 ft h= 2 ft
What is (10 ft²)
200
Triangles A= ? b=10 in h=8 in
What is (40 in²)
200
Trapezoids A= ? bases= 14 cm and 18 cm h=12 cm
What is (192 cm²)
200
What is the area formula for a rectangle?
A=________
What is A=lw
200
A gardener is planting flowers in a parallelogram-shaped flower bed.
The base of the bed is 14.8 feet, and the height is 6 feet.
How many square feet of soil does the gardener need to cover the bed?
88.8 square feet
300
Parallelograms A= ? b=7 yd h=3
What is ( 21 yd)
300
Triangles A= ? b= 8ft h= 5 ft
What is (20 ft)
300
Find the area of the trapezoid.
What is A=30 in2.
300
What is the area formula for a parallelogram?
A=________
What is A = bh
300
A city park has a trapezoid-shaped picnic area.
One base is 30 meters, the other base is 18 meters, and the height is 12 meters.
What is the total area of the picnic space?
288 square meters
400
Parallelograms A = 238 mm² b= ? h=14 mm
What is (17 mm)
400
Triangles A= ? b= 12 in. h= 6
What is (36 in)
400
Find the area of the trapezoid.
What is A=30 mm2.
400
What is the area formula for a triangle?
A=__________
What is
A=1/2bh or A=bh/2
400
A student is making a rectangular poster for a school project. The poster has an area of 60 square inches and a length of 15 inches. What must the height of the poster be?
4 inches
500
Parallelograms A= 22.78 cm2 b = 6.7 cm h= ?
What is (3.4 mm)
500
Triangles A= 360 yd² b= 30 yd. h= ?
What is (24 yd)
500
Trapezoids A= ? bases= 10 in and 5 in h= 4
What is (30 in)
500
What is the area formula for a trapezoid?
A=___________
What is
A=1/2(b1+b2)h or A=(b1+b2)h/2
500
A small training court is shaped like a parallelogram.
The court has an area of 180 square meters and a base of 20 meters.
What is the height of the court?
9 meters