IXL
A triangle has an angle that measures 85°. The other two angles are in a ratio of 8:11. What are the measures of those two angles?
40° and 55°
A triangle has an angle that measures 110°. The other two angles are in a ratio of 2:5. What are the measures of those two angles?
20° and 50°
What is the sum of the angles in a triangle?
180 degrees
What are complementary angles?
Angles that add up to 90°
What is the opposite of squaring a number
taking the square root
One angle of a triangle measures 70°. The other two angles are in a ratio of 2:9. What are the measures of those two angles?
20° and 90°
A triangle has an angle that measures 55°. The other two angles are in a ratio of 9:16. What are the measures of those two angles?
45° and 80°
Which type of angle measures exactly 180 degrees?
Straight angle
What are supplementary angles?
Angles that add up to 180°
Find the distance between (1,2) (-1,-2)
4.5
A triangle has an angle that measures 20°. The other two angles are in a ratio of 7:9. What are the measures of those two angles?
70° and 90°
One angle of a triangle measures 145°. The other two angles are in a ratio of 3:4. What are the measures of those two angles?
15° and 20°
Which type of angles share a common vertex and side?
Vertical angles
Find the supplementary angle for 104 degrees...
76 degrees
Are these triangles similar?
Angles in Triangle 1: 40⁰,60⁰, and 80⁰
Angles in Triangle 2: 40⁰,50⁰, and 90⁰
NO
A triangle has an angle that measures 60°. The other two angles are in a ratio of 5:7. What are the measures of those two angles?
50° and 70°
One angle of a triangle measures 30°. The other two angles are in a ratio of 7:8. What are the measures of those two angles?
70° and 80°
What are the three types of triangles based on their sides?
Which set of sides would make a right triangle?
5,12,13
A new pipeline is being created to shorten the distance it has to travel to get from point A to point B. The original pipeline ran at a 90 angle from point A to point B and was 20 miles on one side and 15 miles on the other. The new pipeline will go straight from A to B. How much shorter will the new pipeline be?
10
A triangle has an angle that measures 10°. The other two angles are in a ratio of 4:13. What are the measures of those two angles?
40° and 130°
A triangle has an angle that measures 30°. The other two angles are in a ratio of 2:3. What are the measures of those two angles?
60° and 90°
Which type of triangle has all angles less than 90°?
Acute Triangle
A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?
111.8 yards
A rectangular bulletin board has a length of 50 cm and a width of 90 cm. How much trim is needed to go all the way around the board AND across both diagonals? round to a whole number
486 cm