Lesson: Congruence of Polygons

In this lesson, we will learn how to identify congruent polygons and find out about their properties to solve problems.

Sample Question Videos

Q1:

The symbol means that the two objects are congruent. Which statement is true?

Q2:

Given that , find .

Q3:

Use the figure to determine .

Q4:

Are two squares congruent if the side length of one square is equal to the side length of the other?

Q5:

Two squares are congruent. If one has side length 78, what is the side length of the other?

Q6:

If , what is congruent to?

Q7:

Given that , which of the following is certain?

Q8:

If , what is the length of ?

Q9:

In the following figure, , , , and . Find .

Q10:

Given that , find the measure of .

Q11:

Find the values of and .

Q12:

Are two polygons congruent if their corresponding sides have the same length?

Q13:

Are any two equilateral triangles congruent?

Q14:

Given that , which of the following is certain?

Q15:

Which of the following congruence statements is true?

Q16:

Are the given polygons congruent?

Q17:

Are the polygons shown congruent?

Q18:

Given that polygons and are congruent, determine the angles at , , and .

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