One side is 6 cm the other is 11 cm

A=23 cm ^2

a) Solve the Angle between the sides

b) Solve the rest angles and sides

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- Dec 10th 2011, 06:31 AMAiylaNeed Help, I got two sides and the area in a triangel .. Would be happy for any help!
One side is 6 cm the other is 11 cm

A=23 cm ^2

a) Solve the Angle between the sides

b) Solve the rest angles and sides - Dec 10th 2011, 06:44 AMsbhatnagarRe: Need Help, I got two sides and the area in a triangel .. Would be happy for any h
$\displaystyle b=6$ and $\displaystyle c=11$.

$\displaystyle A$ is the angle between b and c.

$\displaystyle \Delta$ is the area of the triangle.

$\displaystyle \Delta=\frac{1}{2}bc\cdot \sin{A}$

$\displaystyle 23=\frac{1}{2}\times 6\times 11\times \sin{A}$

Solve for A