Odpowiedź :
r=1/3h
h= 3r = 9
sin30 * a = h
a= 2h
a= 18
1/4 b² = 18²-9²
1/4 b² = 243
1/4 b = 9√3
b=36√3
boki: 36√3, 18, 18
h= 3r = 9
sin30 * a = h
a= 2h
a= 18
1/4 b² = 18²-9²
1/4 b² = 243
1/4 b = 9√3
b=36√3
boki: 36√3, 18, 18