Find the value of x. Round the length to the nearest tenth. 33 cm
4.1 cm
4.4 cm
11.3 cm

4.4 cm

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right  

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA[Right Triangles Only] tanθ = opposite over adjacent

Step-by-step explanation:

Step 1: Define

Identify variables

Angle θ = 20°

Opposite Leg = x

Adjacent Leg = 12 cm

Step 2: Solve for x

Substitute in variables [Tangent]:                                                                    [Multiplication Property of Equality] Multiply 12 on both sides:                     Rewrite:                                                                                                             Evaluate:                                                                                                            Round:                                                                                                              

The third box is a function