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Drupady [299]
3 years ago
7

22/24 Marks

Mathematics
1 answer:
svet-max [94.6K]3 years ago
6 0

Answer:

Step-by-step explanation:

shape Sides Sum of interior angles Each Angle

   

Triangle         3 180°         60°

Quadrilateral 4 360° 90°

Pentagon 5 540° 108°

Hexagon         6 720° 120°

Heptagon  7 900° 128.57...°

Octagon         8 1080° 135°

Nonagon 9 1260° 140°

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