Show:
The Coordinate Plane
Composite Figures
Vocabulary
Area
Perimeter
100
What is an ordered pair?
A pair of numbers used to locate a point on a coordinate grid.
100
What is a composite figure?
A composite figure is made up of triangles, rectangles, squares, and other two-dimensional figures.
100
Give the definition of a polygon.
A polygon is a closed figure in a plane that is made up of three or more line segments that intersect only at their endpoints.
100
What is the area formula for a parallelogram? What is the area formula for a triangle? How are these two formulas related?
Parallelogram: A=bh; Triangle: A=(1/2)bh; The area formula for a triangle is half the area formula for a parallelogram.
100
How is perimeter different from area?
Perimeter is the distance around a polygon and the area is the amount of surface the polygon covers.
200
What is the point where the x-axis and y-axis intersect?
(0,0) or the origin
200
How do you find the area of a composite figure?
Separate it into figures with areas we know how to find. Then, find the sum of the areas of those figures.
200
Define the area of a polygon.
The area of a polygon is the amount of space it covers.
200
Find the area of a parallelogram with a base of 25 yd and a height of 20 yd
A = 500 square yards
200
Find the perimeter of a rectangle with a length of 7.5 cm and a width of 4.25 cm.
23.5 cm
300
In an ordered pair, what is the order of the coordinates?
(x,y)
300
Complete problem #5 on your review.
76 square feet
300
Define the perimeter of a polygon.
The perimeter of a polygon is the distance around the figure.
300
Find the area of a triangle with height 14 cm and base 25 cm.
175 square centimeters
300
Find the perimeter of a square with side length 13 in.
52 in.
400
Plot an label each set of points. Then find the area of the figure. A(2,1), B(4,1), C(4,4)
3 square units
400
Complete problem #6 on your review.
90 square inches
400
What is a parallelogram?
A parallelogram is a quadrilateral with two pairs of parallel sides.
400
Find the area of a trapezoid with bases of lengths 6 m and 15 m and a height of 10 m.
A = 105 square meters
400
Find the perimeter of a polygon with the following vertices: H(2,4), I(6,4), J(6,1), K(2,1)
14 units
500
The vertices of your camping tent are (7,2), (7,5), (4,5), and (4,2). The coordinates are measured in meters. Graph and find the area of the tent.
9 square meters
500
Complete problem #13 on your review.
1459063 square feet
500
What is a trapezoid?
A quadrilateral with at least one pair of parallel sides.
500
A trapezoidal door is 9 feet tall and has base lengths of 3 feet and 5 feet. What is the area of the door?
A = 36 square feet
500
Find the perimeter of the polygon with the following vertices: P(7,3), Q(2,3), R(2,5), S(7,5)
14 units