Finding the Area of Any Triangle

Triangle $PQR\,$ has side $11\text{ cm}$ and side $14\text{ cm}$ . The angle $\angle QPR\,$ is $72∘72^\circ$ .

Work out the area of triangle $P QR$ .
Give your answer to 1 decimal place.

[2]

Triangle $PQR\,$ has side $11\text{ cm}$ and side $14\text{ cm}$ . The angle $\angle QPR\,$ is $72∘72^\circ$ .

Work out the area of triangle $P QR$ .
Give your answer to 1 decimal place.

[2]

Finding the Area of Any Triangle Questions