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vagabundo [1.1K]
2 years ago
5

Find the total surface area of these solids

Mathematics
1 answer:
12345 [234]2 years ago
4 0
<h2>Step-by-step explanation:</h2><h3>We firstly find the surface area of only one face of the cube:</h3><h3>Sa=a²</h3><h3>Sa=1.2²cm</h3><h3>Sa=1.44cm²</h3>

<h2>Since the cube has 6 faces we multiply the surface area of one face(144cm²) with 6</h2>

Area(cube)=1.44cm²*6

=8.64cm²

<h2>Same thing with the prism but we have to find the area of one of his triangle face and rectangle face</h2>

S(triangle)=5mm*4mm*1/2

=10mm²

S(rectangle)=7mm*5mm=35mm²

<h2>The prism has 2 triangle faces and three rectangle faces so we multiply the area by those numbers and then we add those together to get the final area</h2>

S=10mm²*2+35mm²*3

S=20+105

S=125mm²

<h3><em>Hope this helped..</em></h3><h3 /><h3><em>Hope this helped..Brainliest pls..</em></h3>
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2

x

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1

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2

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=

2

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1

Answer linky

=

2

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−

1

Explanation:

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m

=

y

2

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y

1

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−

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1

where

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is the slope and the x and y terms are for the points:

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1

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,

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2

)

For this problem the slope is:

m

=

3

−

−

1

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0

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=

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y

−

y

1

=

m

(

x

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x

1

)

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y

−

−

1

=

2

(

x

−

0

)

y

+

1

=

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x

Solving for

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