In total it has to be 180 since a straight line is 180 so i would be 69
point R ((:
reason being (-5,-6) over the y axis is (5, -6)
∴
=2796202.5
Step-by-step explanation:
First term(a) =
common ratio(r) =
=4
n= 12

=2796202.5
∴
=2796202.5
Answer:
a=6 - isosceles triangle and special triangle 90-45-45
b= 6^2+6^2=72
sqrroot 72 = 8.48528137424