Question

Mathematics Common Notes Part - 1
IA
22. When radius =r units and = 45° is
TC
2
IT
1
TE
D) 8
A)
)
B)
C)
8 22
8
2
6
23. When radius = r units and 0 = 30° is
TT
ur
1
A)
B) +
C)
D)
12 3
2
6 3
12 4
Passage - II: From a circular piece of cardboard with radius 1.26 m, a sector with central angle
has been removed.
24. The area of the portion removed is
[B
A) 0.5544m2
B) 0.1894 m
C) 0.9153 m
D) 0.4638 m
25. The area of the remaining portion is
A) 4.9896 m2
B) 4.4352 m2
C) 0.9153 m D) 0.5544 m
6. The perimeter of the sector removed is
A) 4.98 m
B) 2.52 m
C) 3.40 m
D) 5.54 m
Passage - III : The diameters of three concentric circles are in the ratio 1:2:3. The sum
circumference of these circles is 264 cm.
fit​

Answer 1

Answer:

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