Cos theta = base /perp
= sqrt(13)/7
=0.515
Answer:
1: D
2: B
Step-by-step explanation:
1) Venn Diagram is used to organize data
2) Four circles. Three intersection circles, and one which contains other three circles
3) In the intersection area of three circles.
4) In the circle which contains other three circles, but not inside any of the intersecting circles.
