Question

Help !! Cercul . Dau coroana ! ​

Answer 1

Răspuns:

R=24

Pi= 3,14

a)4 pi cm

2 × 4 × 3,14 × 24 = 602,88

b) 6 pi cm

2 × 6 × 3,14 × 24 = 226,08

c) 8 pi cm

2 × 8 × 3,14 × 24 = 1.205,76

d)12 pi cm

2 × 12 × 3,14 × 24 = 1.808,64

e) 10 pi cm

2 × 10 × 3,14 × 24 = 1.505,2

f) 16 pi cm

2 × 16 × 3,14 × 24 = 2.411,52

g) 20 pi cm

2 × 20 × 3,14 × 24 = 3.014,4

Explicație pas cu pas:

Pi este 3, 14