Betty drew three circles to form a figure. The areas of the circles were in the ratio 1 : 4 : 12. She then shaded some parts of the figure as shown. What fraction of the figure was unshaded?

PSLE

Betty drew three circles to form a figure. The areas of the circles were in the ratio 1 : 4 : 12. She then shaded some parts of the figure as shown. What fraction of the figure was unshaded?

Betty drew three circles to form a figure. The areas of the circles were in the ratio 1 : 4 : 12. She then shaded some parts of the figure as shown. What fraction of the figure was unshaded?

2 m

Betty drew three circles to form a figure. The areas of the circles were in the ratio 1 : 4 : 12. She then shaded some parts of the figure as shown. What fraction of the figure was unshaded?

(2 m)

Betty drew three circles to form a figure. The areas of the circles were in the ratio 1 : 4 : 12. She then shaded some parts of the figure as shown. What fraction of the figure was unshaded?

(2 m)

Betty drew three circles to form a figure. The areas of the circles were in the ratio 1 : 4 : 12. She then shaded some parts of the figure as shown. What fraction of the figure was unshaded?