PROSZE WAS POMÓŻCIE!!!!!!!!!!! Zadanie w załączniku
Po = πr²Po = π * 40²Po = 1600πPwycinka = α:360° * πr²
1600π = α:360° * π * 120²1600π = α:360° * 14400π | :π1600 = α:360° * 144001600 = 14400α : 3601600 = 40α | :40
40 = α
Kąt ma miarę 40°.
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Po = πr²
Po = π * 40²
Po = 1600π
Pwycinka = α:360° * πr²
1600π = α:360° * π * 120²
1600π = α:360° * 14400π | :π
1600 = α:360° * 14400
1600 = 14400α : 360
1600 = 40α | :40
40 = α
Kąt ma miarę 40°.