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In Fig. 15.108, the area of the segment ...

In Fig. 15.108, the area of the segment `P A Q` is (FIGURE) (a) `(a^2)/4(pi+2)` (b) `(a^2)/4(pi-2)` (c) `(a^2)/4(pi-1)` (d) `(a^2)/4(pi+1)`

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In Fig. 15.107, the shaded area is (FIGURE) (a) 50(pi-2)c m^2 (b) 25(pi-2)c m^2 (c) 25(pi+2)c m^2 (d) 5(pi-2)c m^2

In Fig. 15.109, the area of segment A C B is (FIGURE) (a) (pi/3-(sqrt(3))/2)\ r^2 (b) (pi/3+(sqrt(3))/2)\ r^2 (c) (pi/3-2/(sqrt(3)))\ r^2 (d) None of these

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The value of lim_(x rarr a)sqrt(a^(2)-x^(2))cot(pi)/(2)sqrt((a-x)/(a+x)) is (2a)/(pi)(b)-(2a)/(pi) (c) (4a)/(pi)(d)-(4a)/(pi)

The area enclosed by the curve y=sqrt(4-x^2),ygeqsqrt(2)sin((xpi)/(2sqrt(2))) , and the x-a xi s is divided by the y-a xi s in the ratio. (pi^2-8)/(pi^2+8) (b) (pi^2-4)/(pi^2+4) (pi-4)/(pi-4) (d) (2pi^2)/(2pi+pi^2-8)

Range of tan^(-1)((2x)/(1+x^(2))) is (a) [-(pi)/(4),(pi)/(4)] (b) (-(pi)/(2),(pi)/(2))(c)(-(pi)/(2),(pi)/(4)) (d) [(pi)/(4),(pi)/(2)]

If (sin x)(cos y)=(1)/(2), then (d^(2)y)/(dx^(2)) at ((pi)/(4),(pi)/(4)) is (a)-4(b)-2(c)-6(d)0 at ((pi)/(4),(pi)/(4))

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RD SHARMA-AREAS RELATED TO CIRCLES-All Questions
  1. If diameter of a circle is increased by 40%, then its area increase...

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  2. In Fig. 15.107, the shaded area is (FIGURE) (a) 50(pi-2)c m^2 (b) ...

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  3. In Fig. 15.108, the area of the segment P A Q is (FIGURE) (a) (a^2)/4(...

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  4. In Fig. 15.109, the area of segment A C B is (FIGURE) (a) (pi/3-(sq...

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  5. If the area of a sector of a circle bounded by an arc of length 5pi...

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  6. In Fig. 15.110, the ratio of the areas of two sectors S1 and S2 is ...

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  7. If the area of a sector of a circle is 5/(18) of the area of the ci...

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  8. If the area of a sector of a circle is 7/(20) of the area of the ci...

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  9. In Fig. 15.111, if A B C is an equilateral triangle, then shaded ar...

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  10. In Fig. 15.112, the area of the shaded region is (FIGURE) (a) 3pi\ ...

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  11. If the perimeter of a circle is equal to that of a square, then the...

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  12. 13. The radius of a circle is 20cm. Three more concentric circles are ...

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  13. The area of a sector whose perimeter is four times its radius r uni...

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  14. If a chord of a circle of radius 28 cm makes an angle of 90o at ...

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  15. If area of a circle inscribed in an equilateral triangle is 48pi sq...

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  16. The hour hand of a clock is 6 m long. The area swept by it between ...

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  17. A B C D is a square of side 4 cm. If E is a point in the interio...

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  18. If the area of a circle is equal to the sum of the areas of two cir...

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  19. If pi is taken as 22//7 , the distance (in metres) covered by a ...

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  20. ABCD is a rectangle whose three vertices are B(4, 0),  C(4, 3) and D(...

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