
Arwynebedd Sector
Authored by T Wood
Mathematics
6th - 8th Grade

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100 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 8 cm. Beth yw arwynebedd y sector?
158.06 cm²
200.68 cm²
180.53 cm²
221.27 cm²
227.8 cm²
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 18 cm. Beth yw arwynebedd y sector?
106.65 cm²
93.31 cm²
94.62 cm²
97.15 cm²
117.64 cm²
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 84 cm. Beth yw arwynebedd y sector?
4016.19 cm²
3790.56 cm²
3140.34 cm²
3699.75 cm²
3312.39 cm²
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 17.2 m. Beth yw arwynebedd y sector?
889.39 m²
785.08 m²
879.78 m²
668.66 m²
729.3 m²
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 7.2 mm. Beth yw arwynebedd y sector?
33.26 mm²
26.03 mm²
32.4 mm²
28.32 mm²
23.52 mm²
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 12.3 m. Beth yw arwynebedd y sector?
211.24 m²
226.67 m²
223.67 m²
268.24 m²
285.55 m²
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dyma ddiagram o sector efo radiws 10.2 cm. Beth yw arwynebedd y sector?
70.05 cm²
65.37 cm²
85 cm²
80.59 cm²
86.84 cm²
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