Measure that angle II (Posted on 2004-09-01)

	Submitted by Brian Smith
Rating: 2.6667 (3 votes)
Solution:	(Hide)
Let angle BAC = x Since ABC is isosceles: angle BCA = x angle ABC = 180-2x BDC is isosceles since BD=DB, then: angle DBC = x angle BDC = 180-2x angle ADB = 2x angle ABD = 180-3x BAD is isosceles since BA=AD, then: angle ADB = angle ABD 2x = 180-3x x = 36 Angle BAC = 36 degrees

	Subject	Author	Date
	Explanation to Puzzle Answer	K Sengupta	2022-05-23 22:07:15
	re: Independent solution	K Sengupta	2022-05-21 23:43:11
	answer	K Sengupta	2007-06-19 06:08:34
	re(2): More than you think!	Jim	2004-09-13 14:52:34
	re: More than you think!	Jim	2004-09-13 14:44:22
	More than you think!	Jim	2004-09-13 14:38:35
	re(4): Solution + Explanation	nikki	2004-09-02 08:15:18
	re: Independent solution	Bruce Brantley	2004-09-02 00:26:23
	Independent solution	Tristan	2004-09-01 17:36:08
	re(3): Solution + Explanation	Charlie	2004-09-01 16:39:30
	Concise Solution	Richard	2004-09-01 14:14:34
	Simple	Oskar	2004-09-01 09:57:08
	re(3): Solution + Explanation	nikki	2004-09-01 09:35:45
	re(2): Solution + Explanation	nikki	2004-09-01 09:34:43
	re(2): Solution + Explanation	Syzygy	2004-09-01 09:31:15
	Pure Algebra for Geometry	Syzygy	2004-09-01 09:21:54
	re: Solution + Explanation	Charlie	2004-09-01 08:43:45
	Solution + Explanation	nikki	2004-09-01 08:31:31