Geometry

NZ Level 5

Angles in Triangles

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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Deduce the angle properties of intersecting and parallel lines and the angle properties of polygons and apply these properties