Distance in the Coordinate Plane Pythagorean Theorem

Find the diameter of the circle.

• 5 units 

• 4 units

• 12.2 units

• 7.5 units

Find the length of the side CD.

• 9 units

• √34

• √5

• 3 units

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

What is the value of x in the right triangle shown?

• 16cm

• 18cm

• 24cm

• √674cm

Find the distance between the 2 points. Round to the nearest hundredth.

• 3 

• 2.23

• 2.24

• 2.2

Calculate the distance between Points A and B.

• 7.1

• 7.8

• 4.5

• 9.2

Use the picture to help you answer the question.
Make sure to:
-ID the legs and hypothenuse
-Plug in those values into $a^2+b^2=c^2$

-Simplify the exponents
-Get the variable by itself
-No need to take the square root this time:)

• 5 units

• 13 units

• 7 units

• 8 units

• 9 units

• 12 units

What is the distance Sarah will travel from her house to Randi's?

• 5 units

• 6 units

• 8 units

• 10 units