Denmark is often referred to as the ‘country of winds’ because of its unique geographical location and climatic conditions that result in consistent and strong winds throughout much of the year. Situated in Northern Europe, Denmark lies on a peninsula and several islands surrounded by the North Sea and the Baltic Sea, which contribute to its windy climate.
In summary, Denmark’s designation as the ‘country of winds’ reflects its favorable wind conditions, which have been harnessed effectively for sustainable energy production.
Find the unknown frequency if 24 is the median of the following frequency distribution:
\[\begin{array}{|c|c|c|c|c|c|} \hline \text{Class-interval} & 0-10 & 10-20 & 20-30 & 30-40 & 40-50 \\ \hline \text{Frequency} & 5 & 25 & 25 & \text{$p$} & 7 \\ \hline \end{array}\]
Two concentric circles are of radii $8\ \text{cm}$ and $5\ \text{cm}$. Find the length of the chord of the larger circle which touches (is tangent to) the smaller circle.