Question

if the sides of the triangle are in the ratio 8 is to 4 is to 5 and its perimeter is 72 find its area of the triangle

Answer 1

common ragio=x
then 8x+4x+5x=72
17X=72
X=72/17
NOW...... CALCULATE THE AREA BY HERONS FORMULA

Answer 2

the sides of the triangle are 8x+4x+5x=72,17x=72,x=72/17 then you can find the area of triangle by using herons formula