25/(3+2)*(3-2)=5cm
1.底边比腰长5cm.
(25-5)/3=20/3cm(腰)
20/3+5=35/3cm(底边)
2.腰比底边长5cm.
(25+5)/3=10cm(腰)
10-5=5cm(底边)
答:则此三角形的底边长为35/3cm或5cm.
25/(3+2)*(3-2)=5cm
1.底边比腰长5cm.
(25-5)/3=20/3cm(腰)
20/3+5=35/3cm(底边)
2.腰比底边长5cm.
(25+5)/3=10cm(腰)
10-5=5cm(底边)
答:则此三角形的底边长为35/3cm或5cm.