Answer:
6
Step-by-step explanation:
use the formula of slopes

Answer:
The answer is spreadsheet
Answer:
Step-by-step explanation:
If 2 figures are similar, then their lengths exist in proprotion to one another and their corresponding angles are congruent.
Answer:

Step-by-step explanation:
By definition:
The pre-meter P of a triangle ABC is equal to the sum of the length of its sides.
We know that:

The perimeter is:

Now we find the length of the sides:

Once the length of the sides is known, we use Heron's formula to calculate the area.
First I find the semiperimeter S.

Then the Area is:
