Ontario 09 Applied (MFM1P)
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Angles in triangles revision

Interactive practice questions

Consider the image attached.

Find $x$x giving reasons.

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Find $x$x, giving reasons for your answer.

Triangle ABC is a right-angled triangle. It is reflected about one of its edges and the two triangles together form an acute isosceles triangle. Along which edge is it reflected?

A rectangle’s length is $5$5 times its width. How many isosceles right-angled triangles can fit exactly into the rectangle if the equal side lengths of the triangle measure the same as the width of the rectangle?



Determine, through investigation using a variety of tools and describe the properties and relationships of the angles formed by parallel lines cut by a transversal, and apply the results to problems involving parallel lines

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