For an isosceles triangle with equal sides $a$ and base $b$, the height from the apex to the base is —

Question

Accepted Answer

$\dfrac{1}{2}\sqrt{4a^2 - b^2}$

Answer

$\sqrt{a^2 - b^2}$

Answer

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

Answer

$\dfrac{b}{2}$

For an isosceles triangle with equal sides aaa and base bbb, the height from the apex to the base is —