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114_G3U06_WB_CA_˙—» ¿º 2011.4.5 3:49 PM ˘ ` 14 PDF_In 2540DPI 150LPI T 114-B7-2

3. Find and color the shapes that have right angles.

4. A circle is folded twice and then unfolded, as shown below. How many
right angles can be found on the unfolded circle?
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