a = 8 cm
a)
P = a²
P = 8²
P = 64 cm²
b)
d-przekatna w podstawie
d = a√2
d = 8√2 cm
P = d*a
P = 8√2*8
P = 64√2 cm²
c)
bok trójkąta = d
P = a²√3/4
P = 8²√3/4
P = 64√3/4
P = 16√3 cm²
d)
b = 9 cm
P = 8*9
P = 72 cm²
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a = 8 cm
a)
P = a²
P = 8²
P = 64 cm²
b)
d-przekatna w podstawie
d = a√2
d = 8√2 cm
P = d*a
P = 8√2*8
P = 64√2 cm²
c)
bok trójkąta = d
P = a²√3/4
P = 8²√3/4
P = 64√3/4
P = 16√3 cm²
d)
a = 8 cm
b = 9 cm
P = 8*9
P = 72 cm²