Prove that if DABCD is a convex quadrilateral, then a(OABCD) < 360. This is Venema exercise...
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Prove that if DABCD is a convex quadrilateral, then a(OABCD) < 360°. This is Venema exercise 4.6.1 which has a small hint in the back. Your proof should clearly note where being convex is utilized in the proof. Prove that if DABCD is a convex quadrilateral, then a(OABCD) < 360°. This is Venema exercise 4.6.1 which has a small hint in the back. Your proof should clearly note where being convex is utilized in the proof.
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