Answer:
BC ≈ 8.6
Step-by-step explanation:
Using Pythagoras' identity in the right triangle , that is
BC² = AB² + AC² = 7.3² + 4.6² = 53.29 + 21.16 = 74.45 ( square root both sides )
BC =
≈ 8.6 ( to 1 dec. place )
Answer:
17: B 18: C
Step-by-step explanation:
I hope I helped.
It is a observation study, because you are observing how much rainfall is in Hawaii at 50 sites.
Answer:
.
Step-by-step explanation:
Given information:
According to the Pythagoras theorem,
Using Pythagoras theorem, we get
Taking square root on both sides.
Hence, the expression of the hypotenuse is
.