Question

Two perpendicular chords divide a circle with a radius of 13 cm into four parts. If the perpendicular distances of both chords are 5 cm each from the center of the circle, find the area of the smallest part.

Answer 1

\[you need \to calculate the area of the part shaded with vertical lines... area of the needed part=1\div4 \times( area of the \big circle) - area of the part shaded with circles... \]