Question

In a triangle $ABC$, if sin A sin $B =\frac{ab}{c^{2}}$, then the triangle is

• A. equilateral
• B. isosceles
• C. right angled
• D. obtuse angled

Answer 1

Answer: (C)

right angled

Answer 2

Given, $sin \,A \,sin \,B = \frac{ab}{c^{2}}$