Triangle Basics
Pythagorean Theorem
30-60-90
45-45-90
Word Problems
100

Label the parts of the right triangle.


a = leg

b = leg

c = hypotenuse

100

What is the only type of triangle this theorem refers to?

Right Triangle.

100

Label the sides of the following triangle.

AB is the short leg

AC is the long leg

BC is the hypotenuse

100

Label the parts of the triangle based on the 45-45-90 Theorem.


a and b are legs

c is the hypotenuse

100

A soccer field is a rectangle 90 meters wide and 120 meters long.  The coach asks players to run from one corner to the corner diagonally across the field.   How far do the players run?

150 m

200

The sum of angles of a triangle is...?

180 degrees

200

What is the theorem of the pythagorean theorem?

a2+b2=c2

200

Find the missing length.


sqrt(3)

200

Find AB

3

200

1. The bottom of a ladder must be placed 3 feet from a wall.  The ladder is 12 feet long.  How far above the ground does the ladder touch the wall?

3 sqrt(15)

300

What do we call a triangle with 2 equal sides?

Isosceles triangle

300

Given a= 5 b= 2. What is the value of c ? Round to the nearest whole number?

5

300

Find the side length of IR.


7

300

Find the Hypotenuse


8sqrt(2)

300

 An equilateral triangle has sides of length 20. To the nearest tenth, what is the height of the equilateral triangle?

17.3

400

What do we call a triangle with equal sides and equal angles?

Equilateral triangles.

400

Given a rectangle with a diagonal of 25 and a width of 16, what is the length of the triangle? Round to the nearest whole number.

19

400

Find both x and y.


x=

12

y = 

6sqrt(3)

400

Find the length of the diagonal.


8sqrt(2)

400

32.8

500

What do we call a triangle with a 90 degree angle?

Right triangle.

500

Is 5, 12, 13 a Pythagorean triple?

Yes.

500

Find x.


4sqrt(3)

500

Find the hypotenuse.


36

500


8 feet

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