If the area of a rectangle is equal to the curved surface area of the cone, then find the breadth of the rectangle in terms of radius $(r)$ , slant height $(h)$ and length $(l)$ .

\frac{π l h}{r}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{π r h}{l}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

\frac{π r l}{h}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$\frac{h r l}{π}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $\frac{π r h}{l}$
Area of rectangle = C.S.A of cone (given)

$l \times b = π r h$

$b$ = $\frac{π r h}{l}$

Suggest Corrections

Similar questions

If the area of a rectangle is equal to the curved surface area of the cone, then find the breadth of the rectangle in terms of radius $(r)$ , slant height $(h)$ and length $(l)$ .

Q. The area of a rectangle having length 'l' and breadth 'b' is equal to 'A'.Then what will be the area of rectangle having length 2l and breadth 2b ?

The area of a rectangle having length 'l' and breadth 'b' is equal to 'A'.Then area of rectangle having length 2l and breadth 2b will be equal to

Q. If

a

is the length of a rectangle and

b

is the breadth of the rectangle, then find

(A r e a)^{m} + (P e r i m e t e r)^{n}

in terms of

a

and

b

If the area of a rectangle is equal to the area of a square and the length of the rectangle is equal to the perimeter of the square, then the breadth of the rectangle is

Join BYJU'S Learning Program

If the area of a rectangle is equal to the curved surface area of the cone, then find the breadth of the rectangle in terms of radius(r), slant height(h) and length (l).

The correct option is B πrhlArea of rectangle = C.S.A of cone (given) l×b=πrh b = πrhl

If the area of a rectangle is equal to the curved surface area of the cone, then find the breadth of the rectangle in terms of radius $(r)$ , slant height $(h)$ and length $(l)$ .

The correct option is B $\frac{π r h}{l}$
Area of rectangle = C.S.A of cone (given)

$l \times b = π r h$

$b$ = $\frac{π r h}{l}$