Parallelograms
Triangles
Trapezoids
Identifying Shapes
Perimeter
100
A parallelogram has a height of 12 inches and a base length of 4.5 inches. What is the area of the parallelogram?
A = 54 in2
100
What is the area of the triangle?
A = 40 ft2
100
What is the area of the trapezoid?
A = 105 cm2
100
If you split a parallelogram in half, it creates two _______
A) Circles
B) Triangles
C ) Hexagons
D) Trapezoids
B) Triangles
100
What is the perimeter?
15 units
200
What is the area of one of the parallelograms in the pattern shown?
A = 30 mm2
200
If you forget the formula for the area of a triangle, how could you figure it out using what you know about the area of parallelograms?
A triangle is half a parallelogram, so it is half the area formula for a parallelogram.
200
The trapezoidal design of this building deflects solar heat while still allowing natural light. What is the area of the trapezoid?
A = 522 m2
200
What shape is this?
Trapezoid
200
Find the perimeter of the triangle.
12 cm
300
Natasha is sewing pieces of material together to make a pillow case. Each piece is in the shape of a parallelogram, as shown. The area of one piece of material is __ square centimeters.
A = 4.5 cm2
300
A canvas sun shade is shaped like a triangle. If the canvas has an area of 17.5 square meters, what is the height, h?
h = 10 m
300
A trapezoid has base lengths of 10 inches and 16 inches. If the area of the trapezoid is 156 square inches, what is the height of the trapezoid?
Ⓐ 6 in.
Ⓑ 12 in.
Ⓒ 18 in.
Ⓓ 24 in.
B) 12 in.
300
Part A - Graph the following points on the coordinate plane and connect the vertices to form a polygon.
A(2,1), B(2,5), C(6,1), and D(6,5)
Part B - What polygon does this create?
It creates a square.
300
A rectangle has vertices A(1,2), B(1,9), C(7,9), and D(7,2). Find the perimeter of the rectangle.
__ units
24 units
400
The area of a parallelogram is 85 in2. If the parallelogram has a base length of 5 in, what is the height of the parallelogram?
17 in
400
A triangle has an area of 29.75 m2 and a base of 7 m. What is the missing dimension of the triangle?
h = 8.5 m
400
The trapezoid has an area of 420 square feet. What is the height of the trapezoid?
h = 24 ft
400
Part A) How many sides does a quadrilateral have?
Part B) Give 2 examples of shapes that are quadrilaterals.
A) A quadrilateral has four sides.
B) Answers could include a square, rectangle, trapezoid, rhombus, diamond, or a kite.
400
Find the perimeter of the playground shown on the coordinate plane.
24 units
500
What is the missing height of the parallelogram?
h = 15.5 m
500
What is the area of the triangle shown?
A = 1350 cm2
500
Find the area of this trapezoid.
A = 52 in2
500
Which shapes can be identified as a parallelogram? Select all that apply.
A) Square
B) Trapezoid
C) Triangle
D) Rhombus
E) Rectangle
A, D, and E
Square, Rhombus, and Rectangle
500
Find the perimeter of the amusement park shown in the Coordinate Plane.
16 units