Ontario 09 Academic (MPM1D)
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Angles in triangles

Interactive practice questions

Consider the triangle in the figure:

a

What is the sum of the interior angles in the triangle?

$\editable{}$°

b

Which side appears opposite the largest angle?

The longest side

A

The shortest side

B

The medium side

C

The longest side

A

The shortest side

B

The medium side

C
c

Which side appears opposite the smallest angle?

The shortest side

A

The medium side

B

The longest side

C

The shortest side

A

The medium side

B

The longest side

C
Easy
Approx a minute
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Name the smallest and largest sides in each of the following:

Why is it not possible to make the following triangle?

What is the sum of the interior angles of any triangle?

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