The perimeter of a triangle is 450 msides are in the ratio 12 : 5: 13.

1.	The perimeter of a triangle is 450 msides are in the ratio 12 : 5: 13. Find thearea of the triangle.andDarllal
Answer» let the sides be 12x, 5x, 13x respectively. perimeter=12x + 15x + 13x perimeter = 30xArea = 45030x=450x=15sides are 1215=180cm 515=7513*15=195 12x + 5x + 13x =12x + 18x =30x; x=450/30=15, ;; 12(15) + 5(15) + 18 (15)= 180 + 75 + 270 = 3, 645, 000/450 =810

The perimeter of a triangle is 450 msides are in the ratio 12 : 5: 13. Find thearea of the triangle.andDarllal

Answer»

let the sides be 12x, 5x, 13x respectively. perimeter=12x + 15x + 13x

perimeter = 30xArea = 45030x=450x=15sides are 12*15=180cm 5*15=7513*15=195

12x + 5x + 13x =12x + 18x =30x; x=450/30=15, ;; 12(15) + 5(15) + 18 (15)= 180 + 75 + 270 = 3, 645, 000/450 =810