1. Name_______________________________________ Date ________________________
Mrs. Labuski / Mrs. Portsmore Period ____________ Unit 9 Lesson 6 Polygons in the
Coordinate Plane OC 6-4
VOCABULARY DEFINITION EXAMPLE
COORDINATE
PLANE
1. Calculate the area and perimeter of quadrilateral ABCD if it has vertices at A(-3, 0), B(3, 0),
C(3, 5) and D(-3,5) .
area = ________________ perimeter = ______________
2. Quadrilateral DEFG has vertices at D 6,1 , E 2, 4 , F 5, 4 , and G 1,1 .
(a) Graph DEFG and identify what type of quadrilateral it is. ________________________
(b) Calculate the area of DEFG.
area = ________________

2. 3. Polygon ABC has coordinates of A 4, 3 , B 4, 3 and C 4, 3 .
(a) Graph ABC and identify what type of polygon it is. ________________________
(b) Calculate the area of ABC.
area = ________________
Some figures may be subdivided into smaller regions so that common
area formulas can be used to calculate the overall area.
4. Polygon EFGHI has vertices of E (6,1), F (4, 3), G(-2, 3), H (-2, -1), and J (4, -1).
(a) Graph EFGHI and identify what type of polygon it is. ________________________
(b) Calculate the area of EFGHI.
area = ________________

3. Name_______________________________________ Date ________________________
Mrs. Labuski / Mrs. Portsmore Period ____________ Unit 9 Lesson 6 Polygons in the
Coordinate Plane OC 6-4 Homework
1. Polygon ABC has coordinates: A 3,1 , B 1, 6 , C 5,1 .
(a) Graph ABC and identify what type of polygon it is. ________________________
(b) Calculate the area of ABC.
area = ________________
2. Polygon QRST has vertices located at Q 2, 3 , R 6, 3 , S 3, 1 and T 5, 1 .
(a) Graph QRST and identify what type of polygon it is. ________________________
(b) Calculate the area of QRST.
area = ________________

4. 3. Polygon ABCD has vertices A 1, 4 , B 2, 4 , C 4, 4 and D 5, 4.
(a) Graph ABCD and identify what type of polygon it is. ________________________
(b) Calculate the area of ABCD.
area = ________________
4. Polygon ABCDEF has the coordinates A(4, 0), B(3,3), C(-1, 3), D(-4, 0), E (-1, - 3), and
F (3, - 3).
(a) Graph ABCDEF and identify what type of polygon it is. ________________________
(b) Calculate the area of ABCDEF.
area = ________________