Surds - Applications of Surds

Surds - Applications of Surds

TGM Original Questions

A cone has a volume of \(\left( 9\sqrt{5}+13\sqrt{7} \right)\pi \)cm\(^3\) and a radius of \(\left( \sqrt{5}+\sqrt{7} \right)\)cm. Find the height of the cone in the form \(\frac{a\sqrt{7}+b\sqrt{5}}{2}\), where \(a\) and \(b\) are integers.

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs a course plan.

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:\(\frac{99\sqrt{7} - 111\sqrt{5}}{2}\) cm

Need help? Join our E-Maths tuition for O-Level success.

Learn more