Answer:
Try to use your calculator and just substitute values
Step-by-step explanation:
Answer:
√3/10 = 0.1732
Step-by-step explanation:
√15 / 5√20 = (√5 x √3) / 5(√5 x √4) = √3 / (5 x√4) = √3 / 10
Answer:
I have no idea.
Step-by-step explanation:
I failed geometry.
Check picture below, radius = r = 15, thus