Question

Oblicz pola narysowanych figur​

Answer 1

a) figura 1:

2cm * 3cm = 6cm²

figura 2:

= 3cm²

b) figura 1:

= 6cm²

figura 2:

= 4cm²

c) figura 1:

P1 = 3,5cm * 1cm = 3,5cm²

P2 = 4,5cm * 1,5cm =6,75cm²

Pc= P1 + P2

Pc= 3,5cm² + 6,75cm² = 10,25cm²

figura 2:

P1 = 1cm * 1cm = 1cm²

P2 = 1cm * 3cm = 3cm²

Pc = 1cm² + 3cm² = 4cm²

d) figura 1:

P1 = = 2cm²

P2 = = 0,75cm²

P3 = = 5,5cm²

Pc= 2cm² + 0,75cm² + 5,5cm² = 8,25cm²

figura 2:

P1 = 2cm * 1,5cm = 3cm²

P2 = 1cm * 2cm = 2cm²

Pc = 3cm² + 2cm² = 5cm²

Pc - pole całkowite