
Długość okręgu i pole koła
Authored by Anna Cywińska-Flak
Mathematics
9th - 12th Grade
Used 75+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Długość okręgu jest równa obwodowi kwadratu o boku a. Oblicz promień tego okręgu.
r=2a/π
r=π/2a
r=2πr
r=4πr
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Oblicz stosunek długości okręgu opisanego na kwadracie do długości okręgu wpisanego w ten kwadrat.
√2
√5
√4
√6
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Oblicz różnicę pola koła opisanego na kwadracie o boku 1 i pola koła wpisanego w ten kwadrat.
0,5π
0,25π
0,45π
0,75π
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Bok kwadratu ma długość 16 (rysunek powyżej
). Oblicz pole zacieniowanego obszaru.
Pz=35(4-π)
Pz=46(4-π)
Pz=64(4-π)
Pz=58(4-π)
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
W kole o promieniu 4 poprowadzono cięciwę o długości 4√2. Oblicz pola figur, na które podzieliła ona koło. Zadanie dodatkowe.
P1=17π-8, P2=16π+8
Pw=4π
PAOB=8
P1=4π-8, P2=12π+8
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Podaj wzór na długość okręgu
l=πr
l=2πr
l=πr2
l=½πr
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Które opisy kojarzą ci się z kołem
średnica
promień
cięciwa
wycinek koła
prosta
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