A right triangle has a perimeter of 12 and sides x, (x + 1), and (x + 2). What is the area of the triangle?
2 Answers
Feb 2, 2016
This is not a right triangle:
Use pythagoras theorem:
The hypotenuse is the longest.
In this triangle the longest side is
So,The the product of the other two sides must equal the hypotenuse.
So,This is not a right triangle.
Feb 2, 2016
Area =
Explanation:
The perimeter of the triangle is 12 units, so the three sides add up to 12. Therefore
This simplifies to
which is then
The formula for the area of a triangle is