4 (i literally had to think about this cause i thought it was too easy )
The formula for the area of a triangle is base*height/2. So lets input the number.
15*40=600/2=300 cm2
Answer:
Step-by-step explanation:Herely/3fcEdSx's li
nk to the answer:
bit.
Variance of a continuous random variable X is defined as
Standard deviation is defined as

Hence standard deviation is the positive square root of variance.