Question

The area of a circle increases at a rate of $2\pi~\text{cm}^2\text{s}^{-1}$. Calculate the rate of increase of the radius when the radius is $6$ cm.

score 1k · Answer 1 · 2026-03-27 01:48:06

The area of a circle increases at a rate of $2\pi~\text{cm}^2\text{s}^{-1}$. Calculate the rate of increase of the radius when the radius is $6$ cm.

score 6k · Answer 2 · 2026-04-08 16:10:13

6k

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222

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List Question

The area of a circle increases at a rate of $2\pi~\text{cm}^2\text{s}^{-1}$. Calculate the rate of increase of the radius when the radius is $6$ cm.

Common tangent to a circle & parabola.

Circle bisecting other the circumference of other circle.

Parallel property of $LK$ and $OM$ where $L$, $M$ are points on the median $AM$ of $\Delta{ABC}$

Two tangent circles tangent with central circle

The circumscribed centers are on a line

Circle Parametric equation in $3D$ space?

How to find radius of a circle when equations of parallel tangents are given

$\pi$ out of a right triangle and a circle

Semicircle periodic wave

Area between 2 rings

Parametric equation of a rotated circle in 4 dimensions

What is the meaning of equation of a circle or equation of a cube?

What is parametric equations of a locus of a fixed point of a circle rolling along a ellipse in $\mathbb{R}^2$?

Show that these circles are linked (their linking number is $\pm 1$)

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