1.

Plz tell what is the meaning of described in this q

Answer»

From Figure:

Given ABCD is a square WHOSE one diagonal is AC.

ΔAQC and ΔBPC are EQUILATERAL triangles on the diagonals AC and SIDE BC

We know that Diagonal of square = √2 * length of the side of the square

⇒ Length of diagonal AC =√2 * BC

⇒ Area of (ΔBPC)/Area of (ΔAQC) = BC^2/AQ^2

                                                         = BC^2/(√2BC)^2

                                                         = BC^2/2BC^2

                                                         = 1/2.


Therefore, area (ΔBPC) = (1/2) area (ΔAQC).


Hope it helps!



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