Classifying Angles
Angles that are less than 90 degrees
What is acute angles?
Triangles that have all sides equal
What is equilateral triangles?
A triangle has two angles that measure 65° and 45°.
What is the measure of the third angle?
70
Liam is drawing two angles that sit on a straight line. One angle measures 120°.
What is the measure of the missing angle?
60
The value of 6 + 4 × 5.
what is 26?
Angles that are equal to 180 degrees
What is straight angles?
Triangles that have no equal sides
What is scalene triangles?
What is the measure of each angle of an equilateral triangle?
What is 60 degrees?
Two angles are complementary(90°). One angle measures 32°.
What is the measure of the other angle?
58°
The value of 5 × 6 − 10 ÷ 2.
What is 25?
Angles that are equal to 90 degrees
What is right angles?
Triangles that have two equal sides
What is isosceles triangles?
Two angle measures of a triangle are 74 degrees and 53 degrees. What is the measure of the third angle?
What is 53 degrees?
Two angles form a straight line. One angle measures 140°.
What is the missing angle?
40°
The value of 3.4 × 1.2.
4.08
Angles that are greater than 90 degrees but less than 180 degrees
What is obtuse angles?
Triangles that have three angles less than 90 degrees
What is acute triangles?
A triangle has 2 angles measuring at 78 degrees. What is the missing angle?
24
If angle x to angle y makes up a straight angles, and angle x = 75 degrees, find the measure of angle y.
105 degrees.
The value of 2.4 × 0.5.
1.2
The number of degrees in a triangle
What is 180 degrees?
Triangles that have one angle greater than 90 degrees
What is obtuse triangles?
A right triangle has one angle measuring 90° and another angle measuring 35°.
What is the missing angle?
55
Two angles form a straight line. One angle measures 154°.
What is the missing angle?
26
You multiply a number by 1. The answer is always this.
What is the same number?
What is the point where two rays meet?
The Vertex (Endpoint)
Triangles that have one 90 degree angle?
What is a right triangle?
What are the steps to find a missing angle?
Step 1: Add Known Angles
Step 2: Subtract sum from 180 degrees.
Two angles are supplementary. One angle measures 68°.
Find the other angle.
112
The value of 5 + 3 × (10 − 6) × 2.
What is 29?