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Adolygu Arwynebedd

Authored by Esther Jenkins

Mathematics

8th - 11th Grade

CCSS covered

Used 1+ times

Adolygu Arwynebedd
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11 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Beth yw arwynebedd sgwâr gyda hyd ochr 4cm?

1cm21cm^2

16cm216cm^2

2cm22cm^2

8cm28cm^2

Tags

CCSS.6.G.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Beth yw arwynebedd y triongl?

25cm225cm^2

20cm20cm^{ }

20cm220cm^2

40cm240cm^2

Tags

CCSS.6.G.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Cyfrifwch arwynebedd y siâp cyfansawdd.

40cm2

80cm2

60cm2

160cm2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Beth yw arwynebedd y petryal?

42 cm^2  

35 cm^2  

36 cm^2  

25 cm^2  

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth yw'r hafaliad ar gyfer arwynebedd triongl?

Arwynebedd = hyd x lled

Arwynebedd = 12\frac{1}{2} x hyd x lled

Arwynebedd = \frac{1}{2} x hyd

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Beth yw'r fformiwla er mwyn cyfrifo arwynebedd cylch?

π x r²

π x d

hyd × lled

(a+b)÷2 × u

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Beth yw arwynebedd y cylch? 

 20×π cm20\times\pi\ cm  

 20×π cm220\times\pi\ cm^2  

 100×π cm2100\times\pi\ cm^2  

 100 ×cm2100\ \times cm^2  

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