POLYGONS IN THE COORDINATE PLANE WORKSHEET

1. Sheila wants to make a pattern of a tile shape with the points A(3, 5), B(4, 6), C(5, 5) and D(4, 4). What polygon will she get ?

2. David wants to make a pattern of a tile shape with the points P(-5, 2), Q(-4, 3), R(0, 3), S(1, 2), T(1, -2), U(0, -3), V(-4, -3) and W(-5, -2). What polygon will he get ?

3. John wants to make a pattern of a tile shape with the points A(-4, 2), B(2, 2), C(2, -2) and D(-4, -2). What polygon will he get ?

4. How is the number of vertices related to the number of sides of the polygon and to the type of polygon ? Give two examples.

1. Answer :

Step 1 :

Let us plot the points A(3, 5), B(4, 6), C(5, 5) and D(4, 4) on the coordinate plane. 

Step 2 :

Connect the points in order.

Step 3 :

The polygon formed is a square.

2. Answer :

Step 1 :

Let us plot the points P(-5, 2), Q(-4, 3), R(0, 3), S(1, 2),T(1, -2), U(0, -3), V(-4, -3) and W(-5, -2) on the coordinate plane. 

Step 2 :

Connect the points in order.

Step 3 :

The polygon formed is an octagon.

3. Answer :

Step 1 :

Let us plot the points A(-4, 2), B(2, 2), C(2, -2) and D(-4, -2) on the coordinate plane. 

Step 2 :

Connect the points in order.

Step 3 :

The polygon formed is a rectangle.

4. Answer :

They are the same. 

That is, if a polygon has 3 vertices, it would have 3 sides. 

Example :

A polygon with 3 vertices is a triangle and a polygon with 6 vertices is a hexagon.

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