1. A copper wire is bent in the form of square with an area of 121 cm 2. If the same wire is bent in the form of a circle, the radius (in cm) of the circle is





Write Comment

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

  • By: anil on 05 May 2019 02.00 am
    Area of square is $$121 = (l)^2$$ (where $$l$$ is length of side)
    So length will be = 11
    Total length of wire will be = 44
    So when it forms a circle, perimeter will be equal to 44
    Hence $$2pi r$$ = 44
    or $$r$$ = 7
Tags
Show Similar Question And Answers
QA->Which country has the highest average of road length on per thousand square kilometer area basis?....
QA->Atoms ofthe same element, i. e., having the Same atomic number that differ in atomic Weight, are called-....
QA->If the perimeter of circle is 50 cm, its area will be :....
QA->If the diameter of a circle is doubled, its area is increased by …… times.....
QA->The length of a rectangle is increased by 20%. What will be the percentage decrease in its breadth so as to have the same area?....
MCQ->A copper wire is bent in the form of square with an area of 121 cm 2. If the same wire is bent in the form of a circle, the radius (in cm) of the circle is....
MCQ->A copper wire is bent in the form of an equilateral triangle, and has an area $$121\sqrt{3}$$ cm2 . If the same wire is bent into the form of a circle, the area(in cm2) enclosed by the wire in(Take $$\pi = \frac{22}{7}$$)....
MCQ->A copper wire is bent in the shape of a square of area 81cm . If the same wire is bent in the form of a semicircle, the radius (in cm) of the semicircle is....
MCQ->The area of a circle is proportional to the square of its radius. A small circle of radius 3 cm is drawn within a larger circle of radius 5 cm. Find the ratio of the areaof the annular zone to the area of the larger circle. (Area of the annular zone is the difference between the area of the larger circle and that of the smaller circle). ....
MCQ->A wire when bent in the form of a square encloses an area of 484 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
DMCA.com Protection Status Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions