In a right-angled triangle with legs $a$ and $b$ adjacent to the right angle, the area equals —

Question

Accepted Answer

$\dfrac{1}{2}ab$

Answer

$ab$

Answer

$\dfrac{1}{2}\sqrt{a^2 + b^2}$

Answer

$\dfrac{ab}{\sqrt{a^2+b^2}}$

In a right-angled triangle with legs aaa and bbb adjacent to the right angle, the area equals —