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mhanifa

Step-by-step explanation:

According to picture we can see

Vertical angles

The opposite angles formed by two intersecting  lines

  • 1, 6 and 9

Complementary angles

The angles forming a right angle

  • 2

Adjacent angles

  • 4 and 5 (most of other angles can be added to this group)

Linear pair

The angles forming a straight line

  • 3, 7 and 8
According to picture we can see
Vertical angles
The opposite angles formed by two
intersecting lines
1. 6 and 9
Complementary angles
The angles forming a right angle
• 2
Adjacent angles
4 and 5 (most of other angles can be
added to this group)
Linear pair
The angles forming a straight line
3, 7 and 8

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