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ycow [4]
3 years ago
10

Explain why a cross section of a polyhedron does not always match the base of that polyhedron.

Mathematics
1 answer:
balandron [24]3 years ago
6 0

Explanation:

If the polyhedron is a prism and the cross sections are parallel to the base, then the cross section will match the base. Under other conditions, the cross section may not match the base.

For example, the first attachment is a figure of a cube. Cross sections are shown that have the shape of a triangle, trapezoid and hexagon. Other cross sections are possible.

A general polyhedron need not be regular and need not have any cross section congruent to the base (except the cross section that <em>is</em> the base). For some polyhedrons, it may be difficult even to identify the base. See the second attachment.

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Solve for y;-4 -3y&gt;-10
Luden [163]

Answer:

y>2

Step-by-step explanation:

-4-3y>-10

-3y>-10+4

-3y>-6

y>-6/-3

y>2

4 0
3 years ago
Quadrilateral ABCD undergoes a reflection across the x-axis to form quadrilateral A'B'C'D'. The coordinates of A' are ( , ).
natka813 [3]
1) A(-5,-3); B(-6,-1); C(-3,-1) ; D(-2,-3)

When a refection is done about x-axis, the values of the abscise x remain identical & the value of ordinate  just change their signs:
A(-5,-3); A'(-5,+3)
B(-6,-1); B'(-6,+1)
C(-3,-1); C'(-3,+1)
D(-2,-3); D'(-2,+3)

2) A'B'C'D' is translated 3 UNITS RIGHT, that means the ordinated of A'B'C'D'
are the same but the abscises have been increased by 3 UNITS ;

A'(-5,+3) ==>A"(-2,3)
B'(-6,+1) ==>B"(-3,1)
C'(-3,+1) ==>C"(0,1)
D'(-2,+3) ==>D"(1,3)
5 0
3 years ago
Read 2 more answers
(c) When organisms die, their bodies become food for decomposers.
Korvikt [17]

Answer

An example of a decomposer is a fungus. They are important because they recycle energy from consumers so it can be used again by producers to continue the cycle.

3 0
3 years ago
What is the measure ??​
Komok [63]

Answer:

∠x = 92°

Step-by-step explanation:

Supplementary means that the angles add up to 180°. Since one of them equals 88°, the other one or ∠x equals:

180-88 = 92

So, ∠x = 92°

3 0
3 years ago
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Type the correct answer in the box.
Serjik [45]

Answer:

I think the answer is 10 square units

4 0
3 years ago
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