11 Select the correct answer.
which statement is always true?
ΟΑ
A cross section parallel to the base of a right rectangular prism is a square
A cross section perpendicular to the base of a right rectangular prism is congruent to the base
A cross section parallel to the base of a right rectangular prism is congruent to the base.
A cross section perpendicular to the base of a right rectangular prism has the same dimensions as the base,
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answer: 4

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.