what is the area of a sector of circle that has a radius of 2.75 and the degrees of the sector being 30?

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

What is the relationship between all triangles that can be drawn given the same three angles