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Grade 9

9.02 Transformations and congruence

Interactive practice questions

Which diagram shows two triangles that are translations of one another?

Two triangles that are translation of one another they are the same orientation and position relative to each other, each with three interior angles shaded in different colors. Triangle 1 and Triangle 2 top-left angle is shaded pink, the top-right angle is shaded blue and bottom angle is shaded yellow.
A

Two triangles that appear rotated in such a way that their orientations are different, each with three interior angles shaded in different colors. Triangle 1 the top-left angle is shaded pink, the top-right angle is shaded blue and bottom angle is shaded yellow, while Triangle 2 the top-left angle is shaded blue, the top-right angle is shaded pink and bottom angle is shaded yellow.

B

Two triangles that are positioned differently from each other, with one appearing rotated, each with three interior angles shaded in different colors. Triangle 1 the top-left angle is shaded pink, the top-right angle is blue, and the bottom angle is shaded yellow while Triangle 2 the angles are arranged similarly but rotated with the pink angle now on the bottom left, the blue angle on the top left, and the yellow angle on the top right. 

C

Two identical triangles that are reflection of one another they are mirror images of each other, each with three interior angles shaded in different colors. Triangle 1 the top-left angle is shaded pink, the top-right angle is shaded blue, and the bottom angle is shaded yellow while Triangle 2 the top-left angle is shaded blue, the top-right angle is shaded pink, and the bottom angle is shaded yellow.

D
Easy
< 1min

Which diagram shows two triangles that are rotations of one another?

Easy
< 1min

Which diagram shows two triangles that are reflections of one another?

Easy
< 1min

What is the translation from triangle $A$A to triangle $B$B?

Easy
< 1min
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Outcomes

9.E1.2

Create and analyse designs involving geometric relationships and circle and triangle properties, using various tools.

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