Must know/memorize

Question 1

What are the side proportions of a 30-60-90 triangle?

Answer 1

1: √3: 2

The shortest side is located opposite the 30°

Question 2

What are the side proportions of a 45-45-90 triangle?

Answer 2

1: 1: √2

Question 3

What is the equation for standard work rates? What about combined work?

Answer 3

Work = Rate x Time

Combined work = 1/Together = 1/A + 1/B + 1/C

Note: Together, A, B, and C are all the times it takes to complete a task

Combined work w/ only 2 people/machines = AB / A+B