AGB must be 30 since the whole angle equals 180°. So 90°+60°+30°=180°.
<h2>
Answer:</h2><h2>n=-5</h2>
n
-
4
=
3
+
6
n-4=3n+6
n−4=3n+6
Solve
1
Add
4
4
4
to both sides of the equation
−
4
=
3
+
6
n-4=3n+6
n−4=3n+6
−
4
+
4
=
3
+
6
+
4
n-4+{\color{#c92786}{4}}=3n+6+{\color{#c92786}{4}}
n−4+4=3n+6+4
2
Simplify
3
Subtract
3
3n
3n
from both sides of the equation
4
Simplify
5
Divide both sides of the equation by the same term
6
Simplify
1/1 = 1
1/2 = 0.5
1/3 = 0.3
1/4 = 0.25
1/5 = 0.2
vvvvvvvv
1/6 = 0.16
^^^^^^^^^
Percentage Change = (New - old ) / (old) *100
85 - 74 = 11
11 / 74= 0.1486 * 100 = 14.8648.
To the nearest hundredth = 14.86 %
