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
Answer:
5.23×10^5
Step-by-step explanation:
You mean 56.23×10^4?
That would be 5.623×10×10^4, or 5.23×10^5
Answer:
The Basic Identities are :



So for this question :




The anwser is a hope it helps