An acute angle is

• 90 degrees

• > 0 degrees and < 90 degrees

• > 90 degrees and < 180 degrees

• > 180 degrees and < 360 degrees

The internal angles of a triangle add up to

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

An isosceles triangle has

• three angles the same size

• a right angle

• no angles the same size

• two angles the same size

A reflex angle is

• > 90 degrees and < 180 degrees

• > 180 degrees and < 360 degrees

• 90 degrees

• > 0 degrees and < 90 degrees

A scalene triangle has

• two sides the same length

• three sides the same length

• no sides the same length

• two angles the same size

An equilateral triangle has

• two angles of the same size

• no angles the same size

• a right angle

• 60 degree angles

An obtuse angle is

• > 0 degrees and < 90 degrees

• > 180 degrees and < 360 degrees

• > 90 degrees and < 180 degrees

• 90 degrees

Complementary angles add up to

• 90 degrees

• 180 degrees

Supplementary angles add up to

• 90 degrees

• 180 degrees

A scalene triangle can have a right angle?

• True

• False