Răspuns :
A = baza* h /2 ( AB=AC =73 ; BC =110 ; BC/2 =55 )
h ^2 =AB^2 - 55^2
h^2 =5329-3025 =2304
h =48
A =110*48/2 =5280/2 =2640
h ^2 =AB^2 - 55^2
h^2 =5329-3025 =2304
h =48
A =110*48/2 =5280/2 =2640