Parallelograms
Triangles
Trapezoids
Formulas
Review
100
Parallelogram A=? b=14 m h=4.7m
What is (65.8 m)
100
Triangles A=? b= 14 m h=8.2 m
What is (57.4 m²)
100
Trapezoids A = ? base 1 = 18 cm base 2 =13 cm height= 9 cm
What is (139.5 cm²)
100
What 2 things do you need for a formula when solving for area?
base and height
100
The height must be ___________________ to the base
perpendicular
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
The Garcias' garage is rectangular. The floor has a width of 4 meters and an area of 28 square meters. What is its length?
the length is 7 meters
300
Parallelograms A=21 sq.yd b=7 yd h=?
What is ( 3 yd)
300
Triangles A= 40 ft² b= ? h= 5 ft
What is (16 ft)
300
Find the area of the trapezoid.
A=30 in2.
300
What is the area formula for a parallelogram?
A=________
A = bh
300
To find the area, what two shapes must be divided by 2?
triangle and trapezoid
400
Parallelograms A = 238 mm² b= ? h=14 mm
What is (17 mm)
400
Triangles A= 72.6 in² b= 11 in. h= ?
What is (13.2 in)
400
Find the area of the trapezoid.
A=30 mm2.
400
What is the area formula for a triangle?
A=__________
A=1/2bh
A=bh/2
400
How do you find the area of a composite figure?
Find the area of each shape and then add them together.
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= 130 in² bases= 15 in and 11 in h=
What is (10 in)
500
What is the area formula for a trapezoid?
A=___________
A=1/2(b1+b2)h
A=(b1+b2)h/2
500
This is a four sided shape with one set of parallel lines... what is the name of the shape?
trapezoid