A right rectangular pyramid is sliced vertically (down) at the red line by a plane not passing through the vertex of the pyramid
1 answer:
The cross-section of a right rectangular pyramid will be shaped similar to the base, that is, a <u>rectangle</u>. Hence, <u>4th option</u> is the right choice.
If the peak of the rectangular pyramid is directly above the center of the base, it creates a perpendicular to the base, indicating the height of the pyramid. This type of rectangular pyramid is known as the right rectangular pyramid.
A rectangle is a quadrilateral, that is a closed figure with 4 line segments, with all four interior angles at 90°.
When we slice a right rectangular pyramid vertically down at the red line by a plane, not passing through the vertex, of the pyramid will be a dilated image of its base.
A dilated image is an enlarged or diminished image of the preimage, similar with all angles.
Thus, the cross-section of a right rectangular pyramid will be shaped similar to the base, that is, a <u>rectangle</u>. Hence, <u>4th option</u> is the right choice.
Learn more about right triangular pyramids at
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For complete question, refer to the attachment.
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Let the original bill be 
, then the final bill after the charges been added are 
, where 
is the increase in the bill by 0.2 (100%+20% = 120% = 1.2)
The range of the original bill is
200 < < 800, subtract each term by 25
175 <
< 775, divide each term by
145.83 < < 645.83
Hence, the range of the original bill is between $145.83 and $645.83
The range of the original bill is
200 <
175 <
145.83 <
Hence, the range of the original bill is between $145.83 and $645.83