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almond37 [142]
4 years ago
14

A plane intersects a rectangular pyramid horizontally as shown. Describe the cross-section. A) circle B) rectangle C) trapezoid

D) triangle
Mathematics
2 answers:
Paladinen [302]4 years ago
6 0
A plane cuts horizontally across a rectangular pyramid will always be a rectangle. (Answer B)
Setler79 [48]4 years ago
6 0

Answer:

B. Rectangle

Step-by-step explanation:

We are given that,

<em>'The plane intersects the rectangular pyramid'.</em>

<h3>'A rectangular pyramid is a three-dimensional object with rectangular as the base and triangles as the sides'.</h3>

<em>So, a plane intersecting a rectangular pyramid horizontally will be parallel to the rectangular base.</em>

Thus, the cross-sectional plane will be a rectangle.

Hence, option B is correct.

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Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

To find the equation using the point-slope equation, we need the slope and the y-intercept of the line

<u>Finding the slope of the line:</u>

We will calculate the slope between these 2 points:  (-1 , 1) and  (0 , -5)

Slope = Rise / Run

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Run of the line = x1 - x2

Run = -1 - 0

Run = -1

Slope of the line:

<em>Slope  = Rise / Run</em>

<em>Slope = 6 / -1</em>

<u>Slope = -6 </u>

<u></u>

<u>Finding the y-intercept:</u>

y-intercept of a line is the y-ordinate of the point where the line intersect the y-axis

From the graph, we can see that the line intersects the y-axis at (0 , -5)

y-coordinate of the point = -5

<u>y-intercept = -5</u>

<u></u>

<u>Equation of the line:</u>

This is the general formula of the slope-intercept:

y = mx + b (where m is the slope of the line and b is the y-intercept )

Replacing the variables

y = (-6)x + (-5)

y = -6x - 5

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Step-by-step explanation:

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