One leg of a right triangle is increased by 10% and the other leg is decreased by 10%. By what percent does the area of the triangle change?
One leg of a right triangle is increased by 10% and the other leg is decreased by 10%. By what percent does the area of the triangle change?
The legs are 5 and 8
5 * 8 / 2 = 20 u² 100%
5.5 * 7.2 / 2 = 19.8 u ² 99%
4.5 * 8.8 / 2 = 19.8 u² 99%
The area of the triangle decreased by 1%