Answer:
13 ft.
Step-by-step explanation:
Lateral Surface area of a cube is the area of 4 sides, front side, back side, left side face and right side face.
It can be seen seen from the attached figure as well.
Each face in a cube is a square. And each side in the cube is equal.
So, Lateral surface area is nothing but 4
area of a square.
And we know that area of a square =
.
Hence, Lateral surface area = ![4 \times side^{2}](https://tex.z-dn.net/?f=4%20%5Ctimes%20side%5E%7B2%7D)
As per question:
= 676
![side^2 = 169 \\\Rightarrow side = 13](https://tex.z-dn.net/?f=side%5E2%20%3D%20169%20%5C%5C%5CRightarrow%20side%20%3D%2013)
Hence, side length of cube = 13 feet.
since the triangles are similar
angle DEC = 60 degrees
3 angles inside a triangle equal 180 degrees
BAC = DCE = 64
CBA = EDC = 56
DEC = 180 -56 -64 = 60 degrees
used angle-angle theorem
The answer is 7x + 3
First, you have 3x-1 + 2x+1
Combine like terms and the 1’s cancel each other out. You are left with 5x.
Then, you add x+2 + x+1
Combine like terms and you have 2x+3
Add 5x + 2x+3 and you have 7x +3
I’m bad at explaining, so here are the steps.
Answer:
$ 40h + 20x, please specify the format. The format could affect the answer.
Answer:
20
Step-by-step explanation:
This equation is in slope-intercept form which is y=mx+b where m is the slope and b is the y-intercept. Therefore, the slope is 20