Is this a multiple-choice question? I don't see any variables defined to represent length, width, and area.
Using A = area, l = length, w = width, a formula for area would be A = lw.
Some writers use b = base for the length and h = height for the width, in which case A = bh.
Answer:
C
Step-by-step explanation:
BECAUSE I DIDID IT IN EDGENUTITHALD
Answer:
<h2>The total surface area of the figure is 516 square units.</h2>
Step-by-step explanation:
The net of the triangular prims is attached.
Remember, the total surface area refers to the area of each face of the volumetric figure. In this case we have three equal rectangles and two equal triangles.
<h3>Area of the rectangles.</h3>
![A_{1}=3(10 \times 14)=3(140)=420 \ u^{2}](https://tex.z-dn.net/?f=A_%7B1%7D%3D3%2810%20%5Ctimes%2014%29%3D3%28140%29%3D420%20%5C%20u%5E%7B2%7D)
Remember that the area of a rectangle is just the product of its width and height.
<h3>Area of the triangles.</h3>
![A_{2}=2(\frac{1}{2} \times 12 \times 8 )=96 \ u^{2}](https://tex.z-dn.net/?f=A_%7B2%7D%3D2%28%5Cfrac%7B1%7D%7B2%7D%20%5Ctimes%2012%20%5Ctimes%208%20%29%3D96%20%5C%20u%5E%7B2%7D)
The total surface area is given by the sum of all these areas:
![S=420 + 96 = 516 \ u^{2}](https://tex.z-dn.net/?f=S%3D420%20%2B%2096%20%3D%20516%20%5C%20u%5E%7B2%7D)
Therefore, the total surface area of the figure is 516 square units.
The answer is -2.67. You move 48 to the other side of the = sign and that = -48, then you divide -48 by 18 and you get -2.67.
I would try googling it o did and i got the answer but i cant copy and paste im sorry