1.

dles of radii 5 cm and 3 cm intersect at two points and the distance betweens is 4 cm. Find the length of the common chord.their centre

Answer»

AB = 5 cm

BC = 3 cm

CA = 4 cm

This implies at once that angle BCA = 90 degree.

That isC and E coincide.

BE = 3 cm

BD = 6 cm



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