The perimeter "P" is equal to the length of the base of one triangle multiplied by the "n" number of triangles in the figure plus two times the length of another side. The equation for the perimeter is P = 5n + 14.
We are given triangles. The triangles are arranged in a certain pattern. The length of the base of each triangle is equal to 5 units. The length of the other two sides is 7 units each. We conclude that all the triangles are isosceles. We need to find the relationship between the number of triangles and the perimeter of the figure. Let the perimeter of the figure having "n" number of triangles be represented by the variable "P".
P(1) = 14 + 5(1)
P(2) = 14 + 5(2)
P(3) = 14 + 5(3)
We can see and continue the pattern. The relationship between the perimeter and the number of triangles is given below.
P(n) = 14 + 5n
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Given:
Consider the expression is

To find:
The value of given expression using a suitable identity.
Solution:
We have,

Using the identity
, we get



Therefore, the value of the given expression is
.
Answer:
it is A because slouch means stand or move in a Lazy way
Hi lola66795 i know the answer the answer is 415 pounds what you have to do is subtract 1585 from 2000 and you will get 415