Question

triangles unit vocabulary quiz

1. ______________ two angles whose measures add up to be 180 degrees.
2. ______________ a triangle with no sides congruent.
3. ______________ part of a line with one endpoint.
4. ______________ a triangle with all sides congruent.
5. ______________ a triangle with one obtuse angle.
6. ______________ a pair of angles that are adjacent and supplementary.
7. ______________ a figure formed by 3 non - collinear points made up of segments.
8. ______________ two non - adjacent angles formed by intersecting lines, bow - tie.
9. ______________ a triangle with at least two sides congruent.
10. ______________ the sum of the interior angles of a triangle equal to?
11. ______________ a triangle with one right angle.
12. ______________ two angles whose measures add up to be 90 degrees.

below is a word bank. some words may be used more than once.
scalene colinear parallel adjacent linear pair
space linear pair supplementary equilateral triangle
perpendicular obtuse ray vertical angles isosceles
skew complementary point, line, plane right 180 degrees

Explanation:

1. Supplementary angles have a sum of 180 degrees.
2. A scalene triangle has no congruent sides.
3. A ray is part of a line with one - endpoint.
4. An equilateral triangle has all sides congruent.
5. An obtuse - triangle has one obtuse angle.
6. A linear pair is adjacent and supplementary.
7. A triangle is formed by 3 non - collinear points with segments.
8. Vertical angles are non - adjacent angles formed by intersecting lines.
9. An isosceles triangle has at least two congruent sides.
10. The sum of interior angles of a triangle is 180 degrees.
11. A right - triangle has one right angle.
12. Complementary angles have a sum of 90 degrees.

Answer:

1. Supplementary
2. Scalene
3. Ray
4. Equilateral
5. Obtuse
6. Linear Pair
7. Triangle
8. Vertical angles
9. Isosceles
10. 180 degrees
11. Right
12. Complementary