a) (paralelogram)
P = 2L + 2l = 2*3 + 2*2 = 6 + 4 = 10 cm
b) (romb)
P = 4*L = 4*2 = 8 cm
c) (triunghi isoscel)
P = 2*L + B = 2*3 + 2 = 6 + 2 = 8 cm
d) (triunghi echilateral)
P = 3*L = 3*4 = 12 cm
Răspuns:
Explicație pas cu pas:
A)
P = 2L + 2l
P = 2 × 2 + 2 × 3 = 10
B)
P = 4 l
P = 4 × 2 = 8
C)
P = 2 × 3 + 2 = 8
D)
P = 3l
P = 3 × 4 = 12
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Verified answer
a) (paralelogram)
P = 2L + 2l = 2*3 + 2*2 = 6 + 4 = 10 cm
b) (romb)
P = 4*L = 4*2 = 8 cm
c) (triunghi isoscel)
P = 2*L + B = 2*3 + 2 = 6 + 2 = 8 cm
d) (triunghi echilateral)
P = 3*L = 3*4 = 12 cm
Verified answer
Răspuns:
Explicație pas cu pas:
A)
P = 2L + 2l
P = 2 × 2 + 2 × 3 = 10
B)
P = 4 l
P = 4 × 2 = 8
C)
P = 2 × 3 + 2 = 8
D)
P = 3l
P = 3 × 4 = 12