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vodomira [7]
3 years ago
13

Whats the area surface of a rectangular prism with 7 as it’s width length and height

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0

Answer:

249cm^2

Step-by-step explanation:

A=2(wl+hl +hw)

A=2(7•7+7•7+7•7)

A=2(49+49+49)

A=2(147)

A=249cm^2

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*PLEASE ANSWER TY* A scale factor of 2 is applied to the dimensions of the prism. What effect will this have on the volume?
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Answer:

The volume will be 8 times larger.

Step-by-step explanation:

Volume is cubed which means the volume will be multiplied by 2³ is a scale factor of 2 is applied to the dimensions. 2³ = 8

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PLEASE HELP ASAP <br><br>Given: m∠DEA=46°, m∠P=14°<br>Find the measurements of arc AD and arc BC.
antoniya [11.8K]

Answer:

The measurement of arc AD is 53°

The measurement of arc BC is 39°

Step-by-step explanation:

Let

x----> the measurement of arc AD

y---> the measurement of arc BC

we know that

The measure of the internal angle is the semi-sum of the arcs comprising it and its opposite

so

m∠DEA=(1/2)[x+y]

substitute the value

46°=(1/2)[x+y]

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The measurement of the external angle is the semi-difference of the arcs which comprises

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Adds equation A and equation B

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substitute in the equation A the value of x

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3 years ago
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