CIRCLE | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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25

Find area of a circle with radius 7 cm. (take π = 22/7)

Area = 22/7 x r x r = 22/7 x 7 x 7 = 154 cm²

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25

Find circumference of a circle with radius 10 cm. (take π = 3.14)

62.8 cm

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25

Area of a circle with diameter 28 cm is ... cm².(Take π = 22/7)

Radius = 28 : 2 = 14 Area = 22/7 x 14 x 14 = 616 cm²

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15

Diameter = 14 cm. (Take π = 22/7). Circumference of a circle = ... cm.

Circumference = 22/7 x 14 = 44 cm.

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5

A diameter cuts a circle into ... semicircles.

2

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10

In figure, Which line is a sector ?

BOC

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20

Radius = 7 cm. (Take π = 22/7) Circumference of a circle = ... cm

Circumference = 22/7 x 2 x r = 22/7 x 2 x 7 = 44 cm

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heart

Other team wins 20 points!

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rocket

Go to first place!

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gift

Win 25 points!

Okay!

banana

Go to last place!

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5

If radius = 4 cm, so diameter = ... cm

2 x 4 cm = 8 cm

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seesaw

Swap points!

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gift

Win 10 points!

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fairy

Take points!

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25

banana

Go to last place!

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5

If diameter = 28 cm, so radius = ... cm

28 : 2 = 14 cm

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15

Radius = 10 cm. (Take π = 3.14) Area of a circle = ... cm².

Area = 3.14 x r x r = 3.14 x 10 x 10 = 314

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heart

Other team wins 25 points!

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fairy

Take points!

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25

rocket

Go to first place!

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thief

Give points!

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25

5

Part inside the circle between a chord and minor arc is ....

segment

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25

Find perimeter of a semicircle with diameter 2 cm.(Take π = 3.14)

Perimeter = (1/2 x 3.14 x d ) + d =(1/2 x 3.14 x 2) + 2 = 3.14 + 2 = 5.14 cm

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10

in the figure, BOC is a ...

sector

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