Answer:
21870 km^2
Step-by-step explanation:
Area of sector=1/2r^2(theta)
Where r=18 km and theta=135
Area of sector=1/2(18)^2(135)
=1/2(324)(135)
=1/2(43740)
=21870 km^2
I honestly don't understand
3*x
3*2
3x+6
5*x
5*-8
5x-40
Story short the answer is 25
