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Finding the Area of Any Triangle

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Question 9

In triangle $A B C$ , the length of side $AB\,$ is 6.5 cm and the length of side $BC\,$ is 9.4 cm. The angle $ABC\,$ is $y∘y^\circ$ .

The area of triangle $AB\,$ is 22.8 cm².

Work out the value of $y$ .

Give your answer to 3 significant figures.

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Finding the Area of Any Triangle Questions

GCSE
Maths
Finding the Area of Any Triangle