Finding the Area of Any Triangle

In triangle $P QR$ , the side $20\text{ cm}$ , the side $25\text{ cm}$ and angle $40^\circ$ .

Work out the area of the triangle $P QR$ . Give your answer to 3 significant figures.

[2]

In triangle $P QR$ , the side $20\text{ cm}$ , the side $25\text{ cm}$ and angle $40^\circ$ .

Work out the area of the triangle $P QR$ . Give your answer to 3 significant figures.

[2]

Finding the Area of Any Triangle Questions