Find the area and perimeter! Please help

P = 56.5 ft      A = 161.5 sq ft

Step-by-step explanation:

Perimeter is simple: add up the sides. After adding we get 56.5.

Area is a little tougher. We add the area of the middle rectangle to the area of the triangle on the right. The area of the rectangle is 8.5 x 15 or 127.5. The area of the triangle is 0.5 x 8 x 8.5 or 34. 34 + 127.5 = 161.5.

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step-by-step explanation:

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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

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