Forum - Geometry

Circle, diameters, geometry

Parmena
Visitor
2016-08-07 15:25:04
#1
Let a and b lines support two perpendicular diameters of a circle of center O and radius 3 cm. M be a point on the circle and M' and M" feet perpendiculars taken from M a and b. Find out segment's length M'M".

 

RE: Circle, diameters, geometry

TeacherM
Visitor
2016-08-07 15:37:41
#2
We got this drawing:

Here it is simple to notice that the OM'MM" is a rectangle.
And the diagonals in rectangle have the same length, So though, we have
M'M" = OM = r = 3cm
 
 

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