Determine if each group of three side is a triangle.
Triangle | Not a Triangle | |
|---|---|---|
16 m, 21 m, 39 m | ||
18 in, 6 in, 13 in | ||
34 km, 27 km, 58 km | ||
29 ft, 38 ft, 9 ft | ||
12 cm, 12 cm, 25 cm | ||
31 yd, 14 yd, 19 yd |
How many integer values of x are there so that x, 5, and 8 could be the lengths of the sides of a triangle?
How many integer values of x are there so that x, 12, and 6 could be the lengths of the sides of a triangle?
Find the value of x.
Match the image with the angle relationship it describes...
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
| arrow_right_alt | Vertical angles | |
| arrow_right_alt | Supplementary angles | |
| arrow_right_alt | Complementary angles | |
| arrow_right_alt | Linear pairs | |
| arrow_right_alt | Adjacent Angles |
Match the definition of the angle relationship with the angle relationships it describes...
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Any two angles whose sum is 90° | arrow_right_alt | Vertical angles |
Two angles that are next to each other and share a common side. | arrow_right_alt | Supplementary angles |
Any two angles whose sum is 180° | arrow_right_alt | Complementary angles |
Two angles across from each other on intersecting lines. They are always congruent! | arrow_right_alt | Linear pairs |
Two angles that are adjacent and supplementary. They form astraight line! | arrow_right_alt | Adjacent Angles |
Match the angle pairs with their relationship.
equal 180 together | are the same size | |
|---|---|---|
Match the example to what type of angle pair it represents.
Item 1
Item 2
Corresponding Angles
Alternate Interior Angles
Alternate Exterior Angles
Same-Side Interior Angles
Same-Side Exterior Angles
Alternate Interior Angles are congruent
Alternate Exterior Angles are congruent
Corresponding Angles are congruent
Same-Side Interior Angles are supplementary
Same-Side Exterior Angles are supplementary
Also
Linear pairs of angles are supplementary
Vertical angles are congruent
