A wire of lenggth 20 cm is bent in the f...

A wire of lenggth 20 cm is bent in the form of a sector of a circle. The maximum area that can be snclosed by the wire is

30 sq. cm

10 sq. cm

25 sq. cm

20 sq. cm

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

APPLICATION OF DERIVATIVES
MODERN PUBLICATION|Exercise Latest Questions from AIEEE/JEE Examinations|13 Videos
AREA UNDER CURVES
MODERN PUBLICATION|Exercise Recent Competitive Questions (Question from karnataka CET & COMED)|9 Videos

Similar Questions

Explore conceptually related problems

A wire of length 10 cm is bent so as to form an arc of a circle of radius 4 cm. What is the angle at the centre in circular measure?

The area of a sector of a circle 1/20 the area of the circle Find the sector angle.

Shazli took a wire of length 44cm and bent it into she shape of a circle. Find the radius of that circle. Also find its area. If the same wire is bent into the shape of a square, what will be the length of each of its sides? Which figure encloses more area, the circle or the square? (Take pi=22/7)

Find the area of a sector of a circle whose diameter is 28cm and central angle is 120^@

The perimeter of sector of a circle of radius 7cm and central angle 45^@ is

A circular wire of radius 7 cm is cut and bent again into an arc of a circle of radius 12 cm . The angle subtended by the arc at the centre is

Write the formula to find area of a sector of a circle, if angle at the centre is 'theta' degrees.

A wire of resistance 8R is bent in the form of a circle. What is the effective resistacne between the ends of a diameter AB ?

Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60^(@). use pi=(22)/(7)

MODERN PUBLICATION-APPLICATION OF DERIVATIVES -Recent Competitive Questions (Questions from Karnataka CET & COMED)

For the curve 4x^(5)=5y^(4), the ratio of the cube of the sub-tangent ...
Text Solution
|
The set of real values of x for which f(x)=(x)/(logx) is increasing is...
Text Solution
|
A wire of lenggth 20 cm is bent in the form of a sector of a circle. T...
Text Solution
|
If for the curve y=1+bx-x^(2) the tangent at (1, -2) is parallel to x-...
Text Solution
|
The slopes of the tangent and normal at (0, 1) for the curve y=sinx+e^...
Text Solution
|
A stone is thrown vertically upwards and the height x ft, reached by ...
Text Solution
|
If sin^(-1) a is the acture angle between the curves x^(2) + y^(2) =4x...
Text Solution
|
The maximum area of rectangle that can be inscribed in a circle of rad...
Text Solution
|
A stone is dropped into a quiet lake and waves in circles at the speed...
Text Solution
|
A gardener is digging a plot of land. As he gets tired, he works more ...
Text Solution
|
If f(x)=x^(3) and g(x)=x^(3)-4x in -2lt x lt 2, then consider the stat...
Text Solution
|
The tangent to the curve y=x^(3)+1 at(1, 2) makes an angle theta with ...
Text Solution
|
The maximum value of ((1)/(x))^(2x^(2)) is :
Text Solution
|
Let x be a number which exceeds its square by the greatest possible qu...
Text Solution
|
The sub tangent at x=(pi)/(2) on the curve y=sin x is :
Text Solution
|
A balloon which always remains spherical is being inflated by pump...
Text Solution
|
The two curves x^(3) - 3xy^(2) + 2 = 0 and 3x^2y - y^(3) = 2
Text Solution
|
If x is real, the minimum value of x^(2)-8x+17 is :
Text Solution
|
The slant height of a cone is fixed at 7 cm. If the rate of increase ...
Text Solution
|
If S^(2)=at^(2)+2bt+c, then the acceleration is :
Text Solution
|