; to find the length of the hypotenuse, you have to use the pythagorean theorem, which states that, in a right triangle,
.
and
would be the two legs, while
would be the hypotenuse. You need to plug in the values of the legs as
and
:
. Solve for the squares of the two numbers, resulting in
, and ultimately
. Find the square root of
and
, and you get
.
The surface rich that keep the world together. When they hit they create volcanoes and earthquakes
The rate of natural increase refers to the difference between the number of live births and the number of deaths occurring in a year, divided by the mid-year population of that year, multiplied by a factor (usually 1,000). It is equal to the difference between the crude birth rate and the crude death rate.
