will mark BRAINLIEST for CORRECT answer. <3 <3 The area of a triangle is found by multiplying half of the measure of its base by its height. The area of the following right triangle is 18 square centimeters. ∽∽∽∽∽∽∽∽∽∽ A. Write and solve an equation to find the value of h. Include all of your work in your answer. B. In two or more complete sentences, verify your answer using mental math.

h=5

If I substitute five in for h, the side becomes six. I multiply that times the base of six for thirty-six, and half of that is eighteen.

Step-by-step explanation:

1/2(6)(h+1)=18

3h+3=18

3h=18-3

3h=15

h=5

If I substitute five in for h, the side becomes six. I multiply that times the base of six for thirty-six, and half of that is eighteen.

, 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

you'll just earn points here

step-by-step explanation: