A triangle has area $30\text{ cm}^2$. Two of its sides have lengths 8 cm and $x$ cm, with includ

Question

A triangle has area $30\text{ cm}^2$. Two of its sides have lengths 8 cm and $x$ cm, with included angle $55^\circ$. Find $x$, correct to 3 significant figures.[3]

Accepted Answer

$x=9.16$

Recovering a side from area

Recovering a side from area

Solution:

Solution locked