Answer:
r/4 units
Step-by-step explanation:
each side of a square is of the same length, perimeter is the sum of the 4 length, length of a side of square = r/4 units
check your Unit Circle for the values of at 180°
210xyz
Given
5x × 6y × 7z
= 5 × x × 6 × y × 7 × z
= 5 × 6 × 7 × x × y × z
= 210xyz
