PNG Mathematics Grade nine worksheets

This is my contribution to OERs from L4C3

 * Flexible Open and Distance Education

=Grade 9 worksheet - Angles= Answer each of these questions below.
 * 1) What is an angle?
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 * 2. What is the value of the third angle in a triangle that has angles of 260and 450?
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 * 3. What is the corresponding angle to 680?
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 * 4. What is the complementary angle of 450?
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 * 5. What is the angle sum of a triangle?
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 * 6. What is the angle sum of a complementary angle?
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