Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Coordinates (x, y)
- Midpoint Formula:
Step-by-step explanation:
<u>Step 1: Define</u>
Endpoint Q(1, 6)
Endpoint R(-7, 3)
<u>Step 2: Find Midpoint</u>
Simply plug in your coordinates into the midpoint formula to find midpoint
- Substitute in points [Midpoint Formula]:
- [Fractions] Subtract/Add:
- [Fraction] Divide:
We can use AA~ (angle angle similarity, which means if two pairs of corresponding angles are congruent, then the triangles are similar)
for the first set of angles, angle R and angle PQS are congruent because they're both 30 degrees
for the second pair, angle QPR can count for both triangles because both triangles share this angle, so it'll be congruent
26 1/2 is equivalent to 25 3/2