SOLUTION: a rhombus ABCD of side 4 cm and diagonal 5 cm is constructed.measure angle ABC.find the point R on AD such that RB=RC.

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Question 559949: a rhombus ABCD of side 4 cm and diagonal 5 cm is constructed.measure angle ABC.find the point R on AD such that RB=RC.
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
a rhombus ABCD of side 4 cm and diagonal 5 cm is constructed.measure angle ABC.find the point R on AD such that RB=RC.


Get a protractor and measure angle ABC.  I get 103°.

To find R:

Take a compass and straight edge and construct the perpendicular
bisector of BC. That's the green line.  Then R will be the point 
where the green perpendicular bisector of BC intersects AD. 
Then RB=RC. (Triangle RBC is isosceles) 



Edwin