MATHS-I PAPER
CHAPTER-2
I. ANSWER ALL THE FIVE OF THE FOLLOWING: 5 X 3 = 15
1. Find the length of the arc, area and perimeter using central angle 120°, d = 12.6 cm
2. Find the area of the sectors whose length of arc = 50 cm and radius = 13.5cm.
3. A circle of radius 70 cm is divided into 5 equal sectors. Find the area of each of the sectors.
4. Find the central angle of each of the sectors whose length of arc is 44 m and radius is 35 m.
5. Verify Euler's Formula :
Face=4, Vertices = 4, Edges =6
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