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In this lesson, we will learn how to apply the reflection of a point or a polygon across a line in the first quadrant and across an axis of symmetry in a symmetric polygon.

Q1:

Find the reflection of the point π΄ in the line πΏ .

Q2:

Q3:

What is the image of π΄ ( 9 , β 1 0 ) after reflection in the origin, followed by a reflection in the π₯ -axis?

Q4:

In which line must β³ πΉ π· πΏ be reflected to map it onto β³ πΉ πΆ πΏ ?

Q5:

List the images of the vertices of the triangle shown, after reflection in the dashed line.

Q6:

List the images of the vertices of the quadrilateral shown, after reflection in the dashed line.

Q7:

What is the image of β³ πΉ π· πΏ under reflection in β ο© ο© ο© ο© β πΈ πΉ ?

Q8:

What is the image of β³ π΅ πΈ πΏ under reflection in β ο© ο© ο© ο© ο© β πΊ π» ?

Q9:

What are the images of points π΄ and πΆ after a reflection in πΏ ?

Q10:

Which triangle is the image of β³ π΄ πΆ π· after a reflection in β ο© ο© ο© ο© β π΅ π· ?

Q11:

Which of the following does not show a reflection?

Q12:

What is the image of π΄ πΆ under reflection in line β ο© ο© ο© ο© β π΄ πΈ ?

Q13:

What is the image of π π΄ under reflection in line β ο© ο© ο© ο© β π΅ πΉ ?

Q14:

What is the image of the points π΄ and πΆ after a reflection in the line πΏ ?

Q15:

Across which line has β³ π΅ π· πΉ been reflected to get β³ πΆ π· πΉ ?

Q16:

Benjamin is drawing a reflection of a figure. A vertex of the original figure is at ( 6 , 5 ) , and the reflection of that vertex is at ( 1 6 , 5 ) . What is the distance between each vertex and the line of symmetry?

Q17:

In the figure shown, β³ π΄ π· πΈ is the image of β³ π΄ πΉ πΈ after reflection in which line?

Q18:

Across which line has β³ π΅ πΈ πΉ been reflected to get β³ π΅ π· πΉ ?

Q19:

In which line must πΆ π΄ be reflected to get π΅ π΄ ?

Q20:

In which line must πΈ π΅ be reflected to get πΈ πΆ ?

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