Vocabulary
Formulas
Types of Triangles
Practice Problems
100

What is a variable?

A letter (x is commonly used) to fill in the place of the unknown.

100

What is the Pythagorean Theorem Formula?

a^2+b^2=c^2

100

What type of Triangle has all equal sides and angles?

Equilateral

100

If one angle of a triangle is 83 and the other is 43, what is the degree of that last angle?

53

200

What is a complimentary Angle?

An angle that adds up to 90 degrees.

200

What is the difference between 45,45,90 Triangles and 30,60,90 triangles?

45,45,90= x,x, x times square root of 2

30,60,90= x, 2x, x square root of 3

200

What type of triangle had two sides of the same length and two angles of the same degrees?

Isosceles triangle 

200

If a^2+b^2=c^2 the solve this problem

6^2+8^2=C^2 

100 / 10^2

300

What is a supplementary angle?  

An angle that adds up to 180 degrees.

300

Formula to find Sin?

Opposite/Hypotenuse

300

What triangle has sides and angles of different measures?

Scalene

300

In a 45,45,90 Triangle, solve this problem.

45=7 , 45=7, 90=?

7 square root of 2

400

What is an actute triangle?

A triangle that consists of angles all belwo 90 degrees

400

Formula to find Cos? 

Adjacent/Hypotenuse

400

What is the name of the triangle that has a angle of 90 degrees?

Right Triangle

400

In 30,60,90 triangles, solve this problem.

30=4

60=?

90=?

60= 4 aquare root of 3 

90=8

500

What is an "opposite side" in relation to a triangle using Trig?

The side of the triangle that is opposite of the "angle you are trying to find the sin,cos,tan of. 

500

Formula to find Tan?

Opposite/Adjacent

500

What is the name of a triangle that's main angle is over 90 degrees?

Obtuse triangle

500

Find Sin A of this triangle

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