Geometry Problem 1286


Elements: Triangle, Quadrilateral, 60, 135, 105 Degree Angles, Congruence, Measurement.

In a quadrilateral ABCD, angle  A = 60, angle B= 135 and angle C = 105 degrees, so that AC = BD. Prove that Formula to proof.
This entry contributed by Sumith Peiris, Moratuwa, Sri Lanka.

Geometry Problem 1286: Triangle, Quadrilateral, 60, 135, 105 Degree Angles, Congruence, Measurement


See also:
Geometry Problems
1281-1290
Visual Index
Open Problems
All Problems
Triangle
Quadrilateral
Congruence
Angles
90 degrees
60 degrees
135 degrees


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