find the length of altitude to the smallest side of a triangle having sides of lengths 7 cm , 5 cm , 8 cm. plz its urgent . Share with your friends Share 0 Ashwini Kumar answered this Three sides of triangle are:a=7cmb=5cmc=8cms=a+b+c2=7+5+82=10cmArea=ss-as-bs-c=1010-710-510-8=10×3×5×2=103cm2Now,Area of triangle=12×base×altitude⇒103=12×5×altitude⇒altitude=103×25=43cm 6 View Full Answer