Find the 18th term of the arithmetic sequence whose common difference is d=5 and whose first term is a, = 4.
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
Given:
Angle of elevation = 70°
Length of string = 68 m
We need to find the height of the kite.
Solution:
Requirement figure attached in file.
Where:
BC = 68 m
AC = h (Height of the kite)
∠ABC = 70°
Using Cosine rule to find the height of the kite.
Therefore, height of the kite from Brian's head .
Answer:
12
Step-by-step explanation:
Using formula
distance =
Then input the values:
Distance =
=
= 12