Chapter 7 Warm Up

Pythagorean Theorem & It's Converse

October 11th, 2021

Multiple Choice

Which equation can be used to solve for "x"?

• $$11\sqrt[]{6}$$

• $$6\sqrt[]{3}$$

• $$3\sqrt[]{6}$$

• $$6\sqrt[]{6}$$

Lesson 4-1

Date

Multiple Choice

Solve for x.

• 5

• 7

• 14

• 21

Multiple Choice

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Multiple Choice

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

Multiple Choice

Find x.

• 10

• $$10\sqrt{3}$$

• $$10\sqrt{2}$$

• 20

An easy way to remember the Trigonometry Ratios

Multiple Choice

What is the ratio of Sine W?

SOH-CAH-TOA

• $$\frac{15}{12}=\frac{5}{4}$$

• $$\frac{12}{15}=\frac{4}{5}$$

• $$\frac{9}{15}$$

• $$\frac{12}{9}=\frac{4}{3}$$

Multiple Choice

Solve for x. Round to the nearest tenth.

• 15.3

• 16.6

• 24.1

• 24.3

Inverse Trig Ratios

We use inverse trig functions to find angle measures.

(You will need a calculator)

Multiple Choice

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

Multiple Choice

Find each angle measure to the nearest degree.

• 22

• 21

• 20

• 19

Multiple Choice

Angle measurements on a quadrilateral are 70 $$\degree$$ , 80 $$\degree$$ , and 90 $$\degree$$ . What is the measurement for the missing angle?

• 240 $$\degree$$

• 180 $$\degree$$

• 120 $$\degree$$

• 140 $$\degree$$