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Cylchedd cylch

Authored by Esther Jenkins

Mathematics

8th - 11th Grade

Used 2+ times

Cylchedd cylch
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth ydy'r enw ar berimedr cylch?  

radiws
diamedr
cylchedd
cord

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 π × d sy'n rhoi'r

radiws
diamedr
cylchedd
arwynebedd

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 π × r × r  sy'n rhoi'r 

raadiws
diamedr
cylchedd
arwynebedd

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Os oes gan gylch radiws o 10cm, pa un o'r canlynol sy'n gywir?

Diamedr yn 5cm
 Radiws yn 100cm
Diamedr yn 2cm
Diamedr yn 20cm

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Beth yw cylchedd y cylch?

3.14 cm

37.7 cm

24 cm

68.4 cm

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Beth yw cylchedd y cylch yma?

9 m

28.26 m

56.52 m

18 m

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Mae gan pwll nofio cylchol (circular) diamedr o 21 troedfedd. Faint o droedfeddu sydd o amgylch y pwll?

10.5 troedfedd

42 troedfedd

65.94 troedfedd

131.95 troedfedd

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