What is the distance between two parallel chords of lengths 32 cm and 24 cm in a circle of radius 20 cm? Indicate ALL possible distances a) 1 b) 7 c) 4 d) 28 e) 2 f) 14 Solution: (C), (D) Explanation The two parallel chords can either both be on one side of the centre or on either sides of the centre of the circle. Case i: The two chords … [Read more...] about More Than 1 Answer: Circles and Chords
GRE Geometry, Solid Geometry, Coordinate Geometry
Geometric Sequence – Triangles
One side of an equilateral triangle is 2 cms. The mid-points of its sides are joined to form another triangle whose mid-points are joined to form still another triangle. This process continues indefinitely. (i) Find the sum of the perimeters of all the triangles. (a) Cannot be determined (b) 4 (c) 12 (d) 8 (e) 10 Bonus Question (ii) Find the sum of the areas … [Read more...] about Geometric Sequence – Triangles