Starting from an airport, an airplane flies 210 miles southeast and then 210 miles south. How far, in miles, from the airport is the plane? (Round your answer to the nearest mile.)

The plane is 388 miles far from the airport.

Step-by-step explanation:

We know that, the angle between southeast and south directions is .

The plane travels as per the triangle as shown in the attached image.

A is the location of airport.

First it travels for 210 miles southeast from A to B and then 210 miles south from B to C.

To find:

Side AC = ?

Solution:

As we can see, the is an isosceles triangle with sides AB = BC = 210 miles.

So, we can say that the angles opposite to the equal angles in a triangle are also equal.

And sum of all three angles of a triangle is equal to .

Now, we can use Sine Rule:

a, b are the sides opposite to the angles respectively.

So, the answer is:

The plane is 388 miles far from the airport.

a ruler? idk

step-by-step explanation:

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun