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Arwynebedd Cylch

Authored by T Wood

Mathematics

6th - 8th Grade

Used 15+ times

Arwynebedd Cylch
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14 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Beth yw fformiwla arwynebedd cylch?

2πr

πr2

πd2

πd

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Beth yw'r cyfrifiad am gyfrifo arwynebedd y cylch?

π × 20

π × 202

π × 102

π × 40

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Beth yw arwynebedd y cylch?

100 cm2

225 cm2

9 cm2

28.26 cm2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Beth yw arwynebedd cylch sydd â radiws 21cm?

1385.44 cm2

2142.12 cm2

4348.08 cm2

1289.12 cm2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Beth yw arwynebedd y cylch efo radiws 50 cm?

2500π cm2

(7853.98 cm2)

100π cm2

(314.16 cm2)

500π cm2

(1570.80 cm2)

10000π cm2

(31,415.93 cm2)

6.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Media Image

Beth yw arwynebedd cylch efo radiws 71 cm?

Ateb i'r rhif cyfan agosaf

(a)  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Beth yw arwynebedd y cylch efo diamedr 1.3 metr?

1.29 m2

1.33 m2

0.77 m2

1.69 m2

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