Math Flashcards
What is an acute angle?
Less than 90 degrees
What is an obtuse angle
Over 90 degrees
What is a triangle?
An enclosed geometric angle with 3 sides and 3 angles
What is a right triangle?
A triangle with a right angle (90degrees)
What is a equilateral triangle
3 equal sides 3 equal angles
What is an isosceles triangle
2 equal sides and 2 equal angles
What is an oblique triangle
No angles equal to 90 degrees
What is a scalene triangle?
Three unequal sides and three unequal angles
What is the hypotenuse?
Longest side of the triangle
All three angles in a triangle add up to what?
180 degrees
Lower case letters are _________
Upper case letters are _________
Sides
Angles
The vertical side of a right triangle is called the__________
Altitude
The bottom of a right triangle is called the ________
Base
Equilateral and Isosceles triangles can be divided into two right triangles.
True or false
True
What are the 3 special triangles?
30-60-90 degree
45-45-90 degree
3-4-5
On the 30-60-90 triangle what do the sides measure
On a 45-45-90 triangle what do the side measure?
On a 3-4-5 triangle what do the side measure?
