can you solve this . cbse class 9 Ncert book .
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10. ans= 45°
12.ans=diameter
13.ans=chords
15.ans=chords
16.ans=triangles
17.ans=120°
18.ans=trapezium
19.ans=2parts
20.ans= right angle
22.ans= x=45° and y= 30°
24.ans=110°
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