Angles
More Angles
Angles and triangles
Think Angles
Triangles
100
Right angles are exactly ... degrees
90
100
What is the name of this kind of triangle?
Scalene triange
100
A triangle has angle measurements of 163°, 2°, and 15°. What kind of triangle is it?
Obtuse Triangle
100
The combined angle measure is 115°. What does angle t measure?
25 degrees
100
The sum of angles in a triangle is...
180 degrees
200
Straight line angles are exactly ... degrees
180
200
Name this triangle for its sides and angles.
Right Scalene
200
Describe right-angled triangles
Triangles that have one right angle.
200
Find the Missing angle
x=5 degrees
200
Triangles that have all equal sides and angles are called...?
Equilateral triangles
300
What do angles of a revolution (spin) add up to?
360 degrees
300
This angle can be written as... Name all three
< ABC
<CBA
<B
300
Describe obtuse angles
Angles between 91 and 179 degrees.
300
Which type of triangle has two equal angles
Isosceles
300
Scalene triangles have...
All different sides and angles
400
What is an acute angle?
An angle that is less than 90 degrees
400
The correct definition of an angle?
two rays that meet at a single endpoint (vertex)
400
Triangles can be classified based on their angles, such as...
Acute, obtuse, and right-angled triangles.
400
A point where two or more lines meet, a corner. HINT: You use this to name an angle!
vertex
400
Triangles that have one pair of equal sides and angles are called...?
Isosceles triangle
500
If the angles of this shape add up to 360 degrees, what is the shape?
Rectangle or Square or any other 4 sided shape
500
What is an angle greater than 180 degrees called?
Reflex Angle
500
Acute triangles have what type of angles...
All angles in a triangle are acute.
500
Explain why inside angles of a triangle have to add up to equal 180 degrees
- 180 degrees is half of 360 degrees
A triangle is half of a rectangle
So - Half of 360 is 180.
500
The longest side of a triangle will always be opposite what?
The largest angle