Maria is planting a flower garden. Her garden will be shaped like a right triangle.

a) 21.20 feet long b)51.20 feet of fencing

Step-by-step explanation:

a)

a²+b²=c²

15²+15²=c²

225+225=c²

450=c²

√450=c

21.213=c

21.20=c

b)

15+15+21.20= 51.20

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] cosθ = adjacent over hypotenuse

Step-by-step explanation:

Step 1: Identify

Angle θ = 16°

Adjacent Leg = 8.3

Hypotenuse = x

Step 2: Solve for x

Substitute in variables [cosine]:                                                                      [Multiplication Property of Equality] Cross-multiply:                                     Evaluate:                                                                                                          Round: