Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

two concentric circles are of radii 7cm and 5cm. find the area of the portion between the 2 circles
Asked by | 27 Feb, 2012, 07:22: PM
Expert Answer
Reqd. Area = (pi)(72 - 52)= 3.14 * 24 = 75.36 sq. cm
Answered by | 28 Feb, 2012, 09:19: AM
Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment

Concept Videos

Application Videos

Answered Unanswered My Questions My Answers
CBSE 10 - Maths
A square with perimeter p cm has more area than a circle with circumference p cm. State true or false with explanation
Asked by Trisha Gupta | 07 Oct, 2021, 03:48: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
A horse and an ox are tied to a pet at opposite corners of a rectangular field of dimension 35 m x 20 m by ropes of length 5 m and 10 m respectively (use pi=3.14 ) The area of the field that the horse can graze is given by ------- sq.m The area of the field the ox can graze is a-------- sq.m. The area of the field left to be grazed is --------- sq.m. If the rope to which horse is tied would have been 8 m long, then the increase in the grazing area is given by _______ sq.m.
Asked by bhavikabhatia1125 | 18 Sep, 2021, 04:50: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
area of sector of a circle with radius r and angle measure theta is
Asked by rupeshphalwanp | 08 Dec, 2020, 09:04: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
if area of circle numricle double its perimeter find the radius of circle 4units
Asked by sohamsuryawanshi7824 | 22 Sep, 2020, 06:29: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Please solve this question ?
Asked by Vidushi412 | 11 Aug, 2020, 10:20: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
on a circular table cover of radius 42cm , a design is formed by a girl leaving an equilateral triangle ABC in rhe middle,
Asked by akshay6098 | 09 Aug, 2020, 07:32: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
If a truck covers 2.2 km and each wheel makes 350 complete revolution.Find the radius of the wheel  
Asked by kibaisato00 | 04 Jul, 2020, 11:39: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
the forewheel of tractor makes 120 revolution more than the rear wheel in going 720m. if the diameter of the forewheel is doubled and the diameter of the rear wheel in increased by half times the present diameter then the forewheel makes 20 revolution more than the rear wheel in going the same distance find the circumference of each wheel
Asked by patil.gopi400 | 01 Jun, 2020, 10:18: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Question no.13  
Asked by nikhilkumar10405 | 29 Mar, 2020, 07:33: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
How to prove that opposite sides of a quadrilateral circumscribing a circle  subtend supplementary angles at the centre of the circle 
Asked by ssai6651 | 08 Jan, 2020, 07:39: AM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt

Start your hassle free Education Franchisee and grow your business!

Know more
×