the sum of the angles of any four-sided figure (called a quadnilateral) is 360 degrees, this quad has two equal base angles find x if y = 105, z = 145
2007-02-07 04:15:34 · 4 answers · asked by baumertmelanie 1 in Science & Mathematics ➔ Mathematics
I would do
360
-105
-145
=110/2
55 because the are 4 angless hope this helps
2007-02-07 04:20:44 · answer #1 · answered by Edward W 3 · 0⤊ 0⤋
Let x = the measure of a base angle
Then x+x+105+145 = 360
2x+ 250 = 360
2x = 110
x = 55 degrees = measure of each of the base angles
2007-02-07 12:23:22 · answer #2 · answered by ironduke8159 7 · 1⤊ 0⤋
assuming x is the value of each equal base angle and y and z are the other angles then:
105 +145 = 250
360 - 250 = 110
x = 110/2 = 55 degrees
2007-02-07 12:21:09 · answer #3 · answered by Kirstin 2 · 1⤊ 0⤋
x+x+y+z = 360
or 2x + 105+145 = 360
or 2x = 360 - 250 = 110
or x = 55 degrees.
2007-02-07 12:22:19 · answer #4 · answered by ag_iitkgp 7 · 1⤊ 0⤋