Question

Match the vocabulary word with the correct definition.

1. acute angle
an angle that measures exactly 90°
2. right angle
the longest side of a right triangle; side opposite the right angle.
3. similar triangles
A triangle with exactly one right angle and two acute angles.
4. right triangle
an angle that measures greater than 0°and less than 90°.
5. hypotenuse
a pair of triangles that have equal angle measures and proportionate side lengths.

Answer 1

1. acute angle — an angle that measures greater than 0° and less than 90° (definition 4)
2. right angle — an angle that measures exactly 90° (definition 1)
3. similar triangles — a pair of triangles that have equal angle measures and proportionate side lengths (definition 5)
4. right triangle — a triangle with exactly one right angle and two acute angles (definition 3)
5. hypotenuse — the longest side of a right triangle; side opposite the right angle (definition 2)