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ICE Princess25 [194]
3 years ago
8

How to find area of a shape

Mathematics
1 answer:
ella [17]3 years ago
7 0

Answer: you would tend to take the main dimensions of the shape like height times width  and add what you need for the shape that you are finding the area for ; circles= pie2r trinagle=h*w/2 squre=s2 rectangle w*h


Step-by-step explanation:


You might be interested in
Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes
Blababa [14]

Answer:

$205.35

Step-by-step explanation:

First, divide 38.85 by 7. You should get 5.55 for every 1 hour.

Then, multiply 5.55 by 37. You should get 205.35

So for 37 hours, Jim will earn 205.35

Hope this helped!

7 0
3 years ago
Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a packag
notka56 [123]
We have no dimensions to work with. I'll pick some and try and comply with the conditions of the problem. 

Suppose you have an object that is 14 by 22 by 27 cm. These three numbers have no common factor so they cannot be reduced any further, which is helpful for this problem.

Find the Volume
Volume

l = 27 cm
w = 14 cm
h = 22 cm

V = 27 *14 * 22
V = 8316 cm^3

Find the surface area
SA = 2*l*w + 2*l*h  + 2*w*h
SA = 2*27*14  +  2*27*22   +  2*14*22
SA = 756 + 1188 + 616
SA = 2558

Just looking at these numbers The surface area is about 1/3 of the volume. I don't think this is always true.


 \frac{SA}{V} =  \frac{2*L*W  + 2*L*H + 2*W*H}{L*W*H} 

Another way to do this is to consider a cube which might give you a more useful result. 

s = L = W = H all three dimensions are equal in a cube.
The volume of a cube is s*s*s = s^3
The surface area of a cube is 2*s*s + 2*s*s + 2s*s = 6s^2

\frac{SA_cube}{V_cube} =  \frac{6s*s}{s*s*s}
\frac{SA}{V} =  \frac{6}{s}

That means whatever the side length, the Surface Area to volume = 6/the side length which is kind of an interesting result.


4 0
3 years ago
Through: (-1,4), perpendicular to y = x
Law Incorporation [45]

Answer:

y = -x + 3

Step-by-step explanation:

I graphed the equation on the graph below to show you that it goes through (-1,4) and is perpendicular to y = x.

6 0
3 years ago
13
goldenfox [79]

Answer:

f(x) = (x + 8)² -6

7 0
2 years ago
Complete the following proof.
timofeeve [1]

Statement:

1. RS tangent to Circle A and Circle B at points R and S

2. AR ⊥ RS, BS ⊥ RS

3. AR ║ BS

Reason:

1. Given

2. Radius ⊥ to tangent

3. 2 lines ⊥ to same line are ║

100% Correct

~Hope it helps~ :)


4 0
3 years ago
Read 2 more answers
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