The side of a square is increased from 20cm to 21cm. Calculate the percentage increase in its area

Similar Questions

If 9(2 - x) = 3, find x...

Evaluate log 18 + log6 - log16$^{\frac{1}{2}}$...

The diagram shows a rectangular cardboard from which a semi-circle is cut off. Calculate the area of...

For what value of x does 6 sin (2x - 25)o attain its maximum value in the range 0o $\leq$ x \(\leq...

An arc subtends an angle of 30^o at the centre of a circle radius 12cm. Calcul...

Find the value of t for which $\frac{64}{27} = (\frac{3}{4})^{t - 1}$...

The radii of the base of two cylindrical tins, P and Q are r and 2r respectively. If the water level...

Three consecutive positive integers k, l and m are such that l$^2$ = 3(k+m). Find the value of m. ...

If the volume of a cube is 343cm3, find the length of its side...

With reference to the graph above, which f the following solution sets is represented by ΔOPQ?...