Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Exponential Rule [Multiplying]:

- Exponential Rule [Dividing]:

Step-by-step explanation:
<u>Step 1: Define</u>
<u />
<u />
<u />
<u>Step 2: Simplify</u>
- [ER] Multiply:

- Add Exponents:

- [ER] Divide:

- Subtract Exponents:

Answer:
160°
Step-by-step explanation:
-Given the angle in radians as 
-We know that 
-Let our angle theta be X
#We therefore equate and cross multiply:

Hence, angle θ is 160°
C
We can see that both triangles occupy exactly half of the rectangle each, so the area of one triangle is half of the area of the rectangle