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− | ===Name of the activity===
| + | '''Complementary angles''' are two angles with a sum of 90°. A common case is when they form a right angle. |
− | Brief blurb describing what the activity. If this has been borrowed from some external web site (for example, a non OER or OER site which had this idea and based on which the activity was developed)
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| === Objectives === | | === Objectives === |