Oblicz : a) pole kwadratu p boku 8 cm b)pole kwadratu o obwodzie 36 cm c)obwód kwadratu o polu 36 cm2
a)
a=8cm
P=a²
P=(8cm)²
P=64cm²
b)
Obw=36cm
Obw=4a
4a=36cm|:4
a=9cm
P=(9cm)²
P=81cm²
c)
P=36cm²
a²=36cm²
a=√36cm²
a=6cm
Obw=4*6cm
Obw=24cm
liczę na naj ;d
a = 8cm
P = a²
P = 8²
P = 64 cm²
Pole wynosi 64cm².
Ob = 36cm
Ob = 4a
36 = 4a
a = 36:4
a = 9 cm
P = 9²
P = 81 cm²
Pole wynosi 81 cm².
P = 36cm²
36 = a²
a = √36
a = 6cm
Ob = 4 * 6 cm
Ob = 24 cm
Obwód wynosi 24 cm.
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a)
a=8cm
P=a²
P=(8cm)²
P=64cm²
b)
Obw=36cm
Obw=4a
4a=36cm|:4
a=9cm
P=a²
P=(9cm)²
P=81cm²
c)
P=36cm²
P=a²
a²=36cm²
a=√36cm²
a=6cm
Obw=4a
Obw=4*6cm
Obw=24cm
liczę na naj ;d
a)
a = 8cm
P = a²
P = 8²
P = 64 cm²
Pole wynosi 64cm².
b)
Ob = 36cm
Ob = 4a
36 = 4a
a = 36:4
a = 9 cm
P = a²
P = 9²
P = 81 cm²
Pole wynosi 81 cm².
c)
P = 36cm²
P = a²
36 = a²
a = √36
a = 6cm
Ob = 4a
Ob = 4 * 6 cm
Ob = 24 cm
Obwód wynosi 24 cm.