Visualizes congruent polygons
M5GE-IIId-22
Visualizing Congruent Polygons� �
Drill
Identify the following geometrical figures
square
triangle
quadrilateral
pentagon
decagon
hexagon
heptagon
octagon
nonagon
decagon
Review
Guessing Game- What am I?
a. I am a 3-sided polygon with congruent side.
b. I am a 4-sided polygon with congruent sides.
c. I have 10 sides.
d. I am a four-sided polygon with 1 pair of parallel side.
e. I have 8 sides.
Group Activity
Mechanics:
a. Group the pupils into 4.
b. Distribute envelopes with cutouts of polygons, two of which are pair.
Look for the pair of the polygons . Measure the sides and the angles. Then paste the polygons in pair on manila paper
What can you say about the sides of each pair of polygons?
What can you say about the shape?
What can you say about the angles?
a. How do you find the activity?
b. When do you say that two polygons are congruent?
c. What other strategies will you use to help you find that
two or more polygons are congruent?
Look at the figures. Which of them appears to be congruent? Name the pairs
A
D
B
C
E
F
G
H
I
J
Application:
Look at the things inside the classroom and identify
the congruent sides or faces.
b. chalkboard e. walls
c. cabinets
When do you say that two polygons are congruent?
Evaluation:
Directions: Check the letter of the figure that is congruent to the first figure
Assignment:
Draw 2 congruent figures of the following polygons.
1. Trapezoid
2. Octagon
3. Pentagon
4. Isosceles triangle
5. Decagon