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2007-10-17 13:24:44 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
80
2007-10-17 13:27:53 · answer #1 · answered by Anna K 1 · 0⤊ 0⤋
draw an imaginary perpendicular from HO to XA. The two angles are each 90. the pentagon made from this totals 540 ((n-2)*180). the other two known angles total 280. 280 + 180=460. 540-460=80. That is how I did it, maybe there is an easier way. Been a while since I have tried anything like this.
2007-10-17 20:35:38 · answer #2 · answered by busterwasmycat 7 · 0⤊ 0⤋
80
Extend XA and OG so that they intersect at N.
Then angle GAN = 44 degrees, angle ANG = 36 degrees.
Hence angle OGN = 36+44 = 80 because it is an exterior angle of triangle AGN and thus equal to the sum ot the two opposit interior angles.
2007-10-17 20:37:20 · answer #3 · answered by ironduke8159 7 · 0⤊ 0⤋
80 degrees
2007-10-17 20:29:25 · answer #4 · answered by acguterres 2 · 0⤊ 0⤋
80 degree
2007-10-17 20:28:13 · answer #5 · answered by Mike 2 · 0⤊ 0⤋
140, I think.
2007-10-17 20:28:55 · answer #6 · answered by Anonymous · 0⤊ 0⤋