Question

Materials needed: match sticks, paste or glue, paper Consider each piece of matchstick as the side of a polygon.



1) Using three pieces of matchsticks form a polygon. Paste it on the space provided.

a) How many sides does it have? _________
b) How many vertices does it have? _______
c) How many interior angles does it have? _______





2) Using four pieces of match sticks form a polygon. Paste it on the space provided.

a) How many sides does it have? _________
b) How many vertices does it have? _______
c) How many interior angles does it have? _______





3) Using five pieces of matchsticks form a polygon. Paste it on a piece of paper.

a) How many sides does it have? _________
b) How many vertices does it have? _______
c) How many interior angles does it have? _______





4) Using six pieces of matchsticks form a polygon. Paste it on a piece of paper.
a) How many sides does it have? _________
b) How many vertices does it have? _______
c) How many interior angles does it have? _______








Were you able to observe a pattern? ____________

Complete the sentence below:

A polygon with n sides has ___ number of vertices and ______ number of interior angles.

Answer 1

Answer:

write your answer OK

I tell after words

Answer 2

Answer:

1.

a. 3

b. 2

c. 3

2.

a. 4

b. 5

c. 4

3.

a. 5

b. 5

c. 5

4.

a. 6

b. 6

c. 6