Answer:
A set of symbols that expresses a mathematical rule or principle; for example, the formula for the area of a rectangle is a = lw, where a is the area, l the length, and w the width. The American Heritage® Student Science Dictionary, Second Edition.
Step-by-step explanation:
Cos(60) = cos(90 - 30) = sin(30) = 1/2
This should be what you want.
It is C parallelogram and rumbus
Answer:
4 mile= 40
12 mile= 120
it will take him 80
Step-by-step explanation: