Question

Oblicz pole koła o promieniu:
a) π dm
b) √3 cm
c) 2√2 m

Answer 1

P = πr²

a)
r=π dm
P = π*π² dm²
P = π³ dm²
b)
r = √3 cm
P = π(√3)²cm²
P = 3π cm²
c)
r = 2√2 m
P = π(2√2)² m²
P = 4*2π m²
P= 8π m²