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Please help me on this question


A slice is made parallel to the base of a right rectangular pyramid, as shown.

What is the area of the resulting two-dimensional cross-section?

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Please help me on this question A slice is made parallel to the base of a right rectangular pyramid as shown What is the area of the resulting twodimensional cr class=

Respuesta :

numbrain
all you need to do is the shaded area, which is 3.5x2
3.5•2=7
7 is your answer
calculista

Answer:

[tex]7\ mm^{2}[/tex]

Step-by-step explanation:

we know that

The area of the resulting two-dimensional cross-section is the area of a rectangle

The area of a rectangle is equal to

[tex]A=bh[/tex]

we have

[tex]b=3.5\ mm[/tex]

[tex]h=2\ mm[/tex]

substitute

[tex]A=3.5*2=7\ mm^{2}[/tex]

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