which formula and of which chapter is this question ?
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It is a mix of Trignonometery and Quadrilaterals.
There are many formulaes that can be used.
Please search on Google the following : All trigonometric identites and Also, you should know the properties of a trapezium to solve it.
There are many formulaes that can be used.
Please search on Google the following : All trigonometric identites and Also, you should know the properties of a trapezium to solve it.
devanssssh:
Thanks for the help man
Welcome :)
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