40. Figure I and Figure Il are similar quadrilaterals. Figure I
Figure II
2
3.2
b
a
3.2 mm
2 mm
8 mm
a mm
b mm
6.4 mm
b
6.4
8
5
5 mm
8 mm
Which proportion must be true?
O
coln
2
Doc
CLEAR ALL

allegro,od em

Step-by-step explanation:

anyways historia much 2 plus to lets do it 4 lol

it’s 3.2/2 =a/8

Step-by-step explanation: because it was on quizzes and it’s right lol

, 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