Geometry Perimeter and Area in the Coordinate Plane
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Last updated about 3 hours ago
19 questions
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Please take notes first using the slides in Google Classroom OR section 1.4 in the textbook. There are important reminders about area and perimeter formulas.
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Question 3
3.
Plot the points Q(-3,2), R(1,2), S(1,-2) and T(-3,-2).
Click the graph tab.
Click on the graph background to add a point. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Question 4
4.
Find the perimeter of the quadrilateral in #3.
Question 5
5.
Find the area of the quadrilateral in #3.
Question 6
6.
Graph the quadrilateral with the points (2,8) (9,8) (2,2) (9,2)
Click the graph tab.
Click on the graph background to add a point. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Question 7
7.
Find the perimeter of the quadrilateral in #6.
Question 8
8.
Find the area of the quadrilateral in #6.
Question 9
9.
Plot the points (-6,1), (-2,1), (-6,6).
Click the graph tab.
Click on the graph background to add a point. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Question 10
10.
Find the area of the triangle in #9.
Question 11
11.
Find the perimeter of the triangle in #9. (Hint: You will have to use the distance formula for 1 of the sides!) Round your answer to the nearest tenth.
Please use the answers posted in Google Classroom to check your work so far. Then complete the following exit ticket questions.
Question 12
12.
Plot the following points.
L(2,4), M(6,4), N(2,-2) and O(6,-2).
Click the graph tab.
Click on the graph background to add a point. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Question 13
13.
What is the area of the quadrilateral in #12?
Question 14
14.
Plot the following points.
A(2,6), B(8,6) and C(2,0).
Click the graph tab.
Click on the graph background to add a point. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Question 15
15.
What is the area of the triangle in #14?
Question 16
16.
What is the perimeter of the triangle in #14? Show all of your work. Round your answer to the nearest tenth.
Question 17
17.
EXTENSION: Find the perimeter of pentagon ACDEF.
Question 18
18.
EXTENSION: These three lines intersect to create a triangle. Find the area.
Question 19
19.
Rate your understanding on finding area and perimeter in the coordinate plane.
Question 1
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Question 2
2.
Classify by the number of sides. Tell whether it is convex or concave. You should have two answers.
Pentagon
Hexagon
Heptagon
Octogan
Concave
Convex
Classify by the number of sides. Tell whether it is convex or concave. You should have two answers.
