PLEASE HELP URGENT BOTTOM NUMBER IS 17.6 AND ANGLE IS 50° Cacti in the state of Arizona grow to be very tall.

About how tall is the cactus in the picture?

What trig ratio do you need to use to solve this problem?

c

Step-by-step explanation:trust me

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for