Odpowiedź:
Wzór na pole trapezu:
P = 1/2 (a + b) • h
a = 5 cm + 7 cm = 12 cm
b = 4 cm
h = 5 cm
P = 1/2 (12 cm + 4 cm) • 5 cm
P = 1/2 • 16 cm • 5 cm
P = 8 cm • 5 cm
P = 40 cm²
(a+b)*h/2
(12cm+4cm)*5cm/2
16cm*5cm/2
80cm2/2
40 cm2
Odp. Ten trapez ,a pole 40 cm2
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Odpowiedź:
Wzór na pole trapezu:
P = 1/2 (a + b) • h
a = 5 cm + 7 cm = 12 cm
b = 4 cm
h = 5 cm
P = 1/2 (12 cm + 4 cm) • 5 cm
P = 1/2 • 16 cm • 5 cm
P = 8 cm • 5 cm
P = 40 cm²
(a+b)*h/2
(12cm+4cm)*5cm/2
16cm*5cm/2
80cm2/2
40 cm2
Odp. Ten trapez ,a pole 40 cm2