Формули площі трикутника

$S = a \cdot b$

$S = a + b + c$

$S = rac{1}{2}ab \sin(C)$ (correct)

$S = a \cdot b \cdot c$

$S = \sqrt{p(p-a)(p-b)(p-c)}$ (correct)

$S = ab$

$S = \frac{1}{2} \cdot a \, b$

$S = pr$

$S = a^2 + b^2$

$S = \frac{1}{2}ab$ (correct)

$S = a + b$

$S = a \cdot b \cdot \sin(C)$

<p>$S = pr$</p> Signup and view all the answers

<p>$S = \frac{a^2 \sqrt{3}}{4}$</p> Signup and view all the answers