
Arwynebedd Cylch
Authored by T Wood
Mathematics
6th - 8th Grade
Used 15+ times

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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
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
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
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 BLANK QUESTION
5 mins • 1 pt
Beth yw arwynebedd cylch efo radiws 71 cm?
Ateb i'r rhif cyfan agosaf
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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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