Triangles
How Many degrees are in any Triangle?
180 Degrees
What is true about vertical angles?
They are always congruent.
Complementary
We have two parallel lines cut by a transversal. What is the measure of an angle in a corresponding angle pair if the other angle is 73 degrees?
73 degrees
What is the Area of a Triangle
A= (1/2)B * H
What is a linear pair?
a linear pair, is two adjacent angles that sit on a line and they are supplementary.
The congruence theorem that only works in right triangles is
The Hypotenuse leg theorem
Parallel lines have this.
The same slope
Name three different types of triangles based on their Sides.
Scalene
Isosceles
Equilateral
What do all the angles in a triangle add up to be?
180 degrees
What is the hypotenuse of a triangle if the length of the legs are 3 and 4?
5
What is true about the slopes of perpendicular lines?
They are opposite reciprocals
What are the 5 reasons Triangles can be congruent?
SSS, SAS, AAS, ASA, HL
What kind of angles are created when two lines intersect.
Vertical Angles
In a right triangle, one angle should be equal to____.
90 degrees
We have parallel lines are cut by a transversal. What is the measure of an angle in a same side interior angle pair if the other angle is 65 degrees?
115 degrees
Why can we say that AB ≅ DE, if Triangle ABC ≅ Triangle DEF?
CPCTC
What is true about an exterior angle of a triangle?
It is equal the sum of the two remote/Opposite interior angles
Use this to find the missing side of a right triangle when two side lengths are known.
The Pythagorean Theorem
What is the slope of a line perpendicular to the line made by this equation?
4y=2x+3
-2