geometry help please?

1 ⤊

if m

2007-09-11 12:57:16 · 3 answers · asked by basketball boi 2 in Science & Mathematics ➔ Mathematics

tank you for answering!!!!!!!

2007-09-11 13:07:41 · update #1

2x+13 +16x-4 = 90
18x = 81
x = 4.5

2007-09-11 13:02:56 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋

(16x - 4) + (2x + 13) = 90
x = 81/18
= 9/2

2007-09-11 13:02:58 · answer #2 · answered by Mr. Smith 2 · 0⤊ 0⤋

If the angles are complimentary, then the angles add up to 90 degrees, so add the angles together, set it equal to 90, and solve for x!

2007-09-11 13:02:01 · answer #3 · answered by douglas 2 · 1⤊ 0⤋