Odpowiedź :
P = 1/2 × [tex]d_{1}[/tex] × [tex]d_{2}[/tex]
P = 1/2 × 18 cm × 24 cm = 216 cm²
9² + 12² = a²
81 + 144 = a²
a² = 225
a = 15
P = 1/2 × a × h
1/2 × 15 × h =216 /×2
15h = 432 / :15
h = 28,8
Wysokość wynosi 28,8 cm
P = 1/2 × [tex]d_{1}[/tex] × [tex]d_{2}[/tex]
P = 1/2 × 18 cm × 24 cm = 216 cm²
9² + 12² = a²
81 + 144 = a²
a² = 225
a = 15
P = 1/2 × a × h
1/2 × 15 × h =216 /×2
15h = 432 / :15
h = 28,8
Wysokość wynosi 28,8 cm