Pole koła o obwodzie 9 π 9\pi 9 π wynosi

81 4 π \frac{81}{4}\pi 4 8 1 π

Pole koła wynosi 20 π 20\pi 2 0 π . Promień tego koła ma długość:

2 5 2\sqrt{5} 2 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

5 \sqrt{5} 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Pole koła

Authored by Anna Polak

Mathematics

8th Grade

CCSS covered

Used 12+ times

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35 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pole koła o średnicy 6 wynosi:

12π

36π

9π

6π

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Promień koła o polu 16π wynosi:

4π

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pole koła wynosi 25π cm², jaką długość ma jego średnica...?

5cm

2,5cm

25cm

10cm

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pole koła o promieniu √5 wynosi 5π.

prawda

fałsz

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ustal, czy poniższe zdania są prawdziwe.
Promień koła, którego pole wynosi 12𝜋 cm², jest równa 2√3 cm.

tak

nie

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Pole koła wynosi 64π cm², ile wynosi jego obwód ?

8π cm

4π cm

12π cm

16π cm

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Oblicz pole:

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