SOLUTION: The perimeter of a right triangle is 25 meters, and the area is 20 square meters. The lengths of the sides are each multiplied by 3. What is the area of the new triangle?

Algebra ->  Points-lines-and-rays -> SOLUTION: The perimeter of a right triangle is 25 meters, and the area is 20 square meters. The lengths of the sides are each multiplied by 3. What is the area of the new triangle?       Log On


   

Question 590903: The perimeter of a right triangle is 25 meters, and the area is 20 square meters. The lengths of the sides are each multiplied by 3. What is the area of the new triangle?
Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a triangle is half the base times the height. Since we tripled both the base and the height, our new area is nine times the old, or 180 m^2.