Math Concepts

Question 1

How many feet in a yard?

Answer 1

3 feet per yard

Question 2

How many meters are in a yard?

Answer 2

0.9144 meters per yard

Question 3

What is the area of a circle?

Answer 3

🥧r²

Question 4

How to find circumference of a circle?

Answer 4

🥧 x diameter

Question 5

How to find CLP (center line perimeter)?

Answer 5

2(L x W) - 4(t)

t=wall thickness

Question 6

Slope Gain Factor

Answer 6

SGF = square root((rise/run)² + 1)

Question 7

30 60 90 triangle rule

Answer 7

The short side from the 90 is half the hypotenuse

Question 8

Layback for 30° angle (100% compaction) formula

Answer 8

30tan(depth)

Question 9

Where is the tongue and blade located on a layout square?

Answer 9

Blade is the long side more associated with run, tongue is the shorter side more associated with rise.