Question

Trzeba obliczyć pola powierzchni figur dodanych w załączniku. ;)

Answer 1

Umiem tylko niektóre :(
1) P1 = 4 x 3 = 12cm2
P2 = 3 x 5 x 2 = 30 cm2
P3 = 2 x (3 x 2 / 2) = 6cm2
P4 = 4 x 2 = 8cm2
Pc = 12 + 30 + 6 + 8 = 56 cm2
3) P1 = 2 x (3 x 3 / 2) 9cm2
P2 = 9 x 4 = 36cm2
Pc = 36 + 9 = 45cm2
5) Pc = 4 x 4 = 16cm2
6) Pc = 4 x 6 = 24cm2
7) Pc = (1 + 5) x 5 / 2 = 15cm2
8) P1 = 4 x 2 / 2 x 2 = 8cm2
P2 = 2 x 4 = 8cm2
Pc = 8 + 8 = 16cm2