DISINI test_12_sol
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16) The radius of the smaller of the two concentric circles is one meter. The line segments joining the circles consist of the portions of radii of the larger circle that lie
A game piece is placed on the upper left square of a game board with 30 squares as shown.. By a sequence of 11 moves, each from a given square to an adjoining square either to the
In the diagram, four equal circles fit perfectly inside a square; their centres are the vertices of the smaller square.. The area of the smaller square
The triangle formed when the centres of the circles are joined to one of the points of intersection is equilateral, with sides equal to the radii of the circles.. The line joining
Two squares of side 1 are placed so that the centre of one square lies on a corner of the other, as shown in the diagram. The over- lap of the two squares
We determine the possibilities for the different sides of the rectangle using the fact that it must contain both circles.. The left side of a rectangle containing both circles must
When the second coin is placed (in any one of 15 squares), 6 of the 15 squares will leave two coins in the same row or column and 9 of the 15 squares will leave the two coins
If the area of the ring between the two largest circles equals the area of the smallest circle, determine the radius of the smallest cir- cle.. Explain how you got
