Admission test for the degree course in Medicine and Surgery 2013-2014

Test ministeriale in lingua inglese per l’ammissione alla facoltà di Medicina e Chirurgia 2013-2014

Domanda 60 di 60

The diagram shows a quarter of a circle surrounded by an isosceles triangle. The radius of the circle is r. Which one of the following expressions represents the unshaded area?

The diagram shows a quarter of a circle surrounded by an isosceles triangle. The radius of the circle is r. Which one of the following expressions represents the unshaded area?