Step-by-step explanation:
25 students.....10 of which passed...
percentage of students that passed : 10/25 = 0.4 = 40% <==
An imaginary number " i " is the squared root of -1, so whenever you square i it's like squaring a squared root. The squared root would cancel and you would be left with just the number under it, that is, the -1.
i ^ 2 = -1
Answer:
Step-by-step explanation:
Angles 1 and 2 have common side, so they are adjacent. They are not making a right or straight angle.
Correct choice is D
Answer:
C
Step-by-step explanation:
Use πr²
