Look at the picture.
The formula of an area of a triangle:

In the equilateral triangle, the measures of all angles are the same and equal to 60°.
Therefore your answer is:

Answer:
C. since 8, 15, 17 are pythagorean triples
Answer:
Step-by-step explanation:
The slope formula is used to calculate the slope if you are given two points. Remember that slope is defined as rise/run. Which translates to the rise divided by the run. The slope formula will allow us to take the change in the rise and divide by the change in the run.
Answer:
? is 8
Step-by-step explanation:
The total of the line is 14 and you have KL of your answer which is 6. All you have to do to get JK is subtract 6 from 14.
14 - 6 = 8