You need to split up the irregular shape into shapes that you are familiar with them find the area of each piece and add it together. i’m not sure if that made sense.
First lets substitute the value of the variable; (t=12)

Now lets solve the equation;

Next cross simplify;

So
9 is the final answer! Hope this helps!
The value of expression when n = 3 is 22
<em><u>Solution:</u></em>
<em><u>Given expression is:</u></em>

We have to find the value of expression when n = 3
<em><u>Substitute n = 3 in given expression</u></em>

Thus the value of expression when n = 3 is 22
Answer:
chile you better pray to god....
Step-by-step explanation:
Area of rhombus = 0.5 x D1 x D2
Thus,
Area = 0.5 x 30 x 18
= 270 units ^2