A geometry problem by Rama Devi

Geometry Level 2

Points A,B and C are collinear.Point B is the mid point of line segment AC.Point D is not collinear with the other points for which DA=DB and DB=BC=10.The length of DC is ?


The answer is 17.32.

Rama Devi by Rama Devi , 43, India

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1 solution

Ramiel To-ong
Jun 9, 2015

by graphing we could solve for DC in terms of sine law

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Good solution.

Rama Devi - 6 years ago

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