If the acute angles of a right angled triangle have measures 30ᵒ and 60ᵒ then the length of the side opposite to 60ᵒ angles is √

× hypotenuse.

Proof:

AB =

AC ……………….. (…………………)

AB2

+ BC2

= ……………Pythagoras theorem

AC2

+ BC2

= ……….

BC2

= …….. -

AC2

BC2

= …….

BC = ……..

Can someone explain the elimination method to me for this problem?

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.