Pythagorean Theorem Coordinate Plane

Find the distance between these 2 points.

• 5.8

•  6.3

• 8.1

• 40

Find the distance between (-9, -1) and (-2, -6).Round to the nearest tenth.

• 8.6

• 12.1

• 9.9

• 13.0

Find the distance.

• 7.1

• 7.8

• (6, 4.5)

• (2.5, 8)

What is the length of the missing side?

• x = 4

• x = 8

• x = 10

• x = 16

Which equation reflects the right triangle shown?

• x² + 14² = 20²

• 14² + 20² = x²

• 14² – 20² = x²

• x² – 14² = 20²

• 8 units

• 12 units

• 15 units

• 21 units

• 7 units

• 8 units

• 9 units

• 12 units

• 5 units

• 6 units

• 8 units

• 10 units

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:)