∴
=2796202.5
Step-by-step explanation:
First term(a) =
common ratio(r) =
=4
n= 12

=2796202.5
∴
=2796202.5
138° + w° = 180° (sum of angle on a straight line)
w° = 180° - 138°
w = 42
19° + x° + w° = 90°
sub. in w=42,
19° + x° + 42° = 90°
x° = 90° - 19° - 42°
x° = 29°
x = 29
Answer:-5.8
Explanation:4.5-8.3=-3.8 -3.8-2=5.8