Class 12-science RD SHARMA Solutions Maths Chapter 21: Areas of Bounded Regions
Areas of bounded regions Exercise Ex. 21.1
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Thus, Required area = square units
Solution 8
Solution 9
Solution 11
9x2 + 4y2 = 36
Area of Sector OABCO =
Area of the whole figure = 4 × Ar. D OABCO
= 6p sq. units
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16
Solution 17
Solution 18
Solution 19
Solution 20
Solution 21
Solution 22
Solution 23
Solution 24
Solution 25
Solution 26
Solution 10
Solution 27
Solution 28
Solution 29
Areas of Bounded Regions Exercise Ex. 21.2
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Areas of Bounded Regions Exercise Ex. 21.3
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16
Solution 17
Solution 19
Solution 20
Solution 21
Solution 22
Solution 23 (i)
Equation of side AB,
Equation of side BC,
Equation of side AC,
Area of required region
= Area of EABFE + Area of BFGCB - Area of AEGCA
Solution 25
Solution 26
Solution 27
Solution 29
Solution 31
Solution 32
Solution 33
Solution 34
Solution 35
Solution 36
Solution 37
Solution 39
Solution 40
Solution 41
Solution 42
Solution 43
Solution 44
Solution 46
Solution 47
Solution 48
Solution 49
Solution 50
Solution 1
Solution 18
Solution 24
Solution 28
Solution 30
Solution 38
Solution 51
Solution 52
Areas of Bounded Regions Exercise Ex. 21.4
Solution 1
Solution 2
Solution 3
Solution 4
Areas of Bounded Regions Exercise MCQ
Solution 1
Correct option: (b)
Solution 2
Correct option: (c)
Solution 3
Correct option: (b)
Solution 4
Correct option: (b)
Solution 5
Correct option: (b)
Solution 6
Correct option: (a)
Solution 7
Correct option: (c)
Solution 8
Correct option: (a)
Solution 9
Correct option: (d)
NOTE: Answer not matching with back answer.
Solution 11
Correct option: (b)
Solution 10
Correct option: (a)
Solution 12
Correct option: (b)
Solution 13
Correct option: (b)
Solution 14
Correct option: (c)
NOTE: Answer not matching with back answer.
Solution 15
Correct option: (c)
Solution 16
Correct option: (d)
Solution 17
Correct options: (d)
NOTE: Answer not matching with back answer.
Solution 18
Correct option: (d)
Solution 19
Correct option: (a)
NOTE: Options are modified.
Solution 20
Correct option: (c)
Solution 21
Correct option: (b)
Solution 22
Correct option: (b)
Solution 23
Correct option: (c)
Solution 24
NOTE: Answer is not matching with back answer.
Solution 25
Correct option: (a)
NOTE: Answer is not matching with back answer.
Solution 26
Correct option: (d)
Solution 27
Correct option: (c)
Solution 28
Correct option:(b)
Solution 29
Correct option: (c)
Solution 30
Correct option: (b)
Solution 31
Correct option: (b)
Solution 32
Correct option: (a)
Solution 33
Correct option: (b)