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Cloud [144]
3 years ago
10

A solid has 4 faces and 4 vertices.

Mathematics
1 answer:
algol133 years ago
5 0
It has 6 edges

Euler’s Formula: F+V=E-2

Substitute

4+4=E-2

4+4=8

8-2=6

There are 6 edges, hope this helps!!! Good luck!
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The angles must be acute and all the measured angles must be different.

<h3>What is a triangle?</h3>

This a shape with 3 sides and angke

If in ΔNOP, OP = 7, PN = 13, and NO = 19, then the measure of the angles must be different as well;

Hence the statement that must be true about the angles is that the angles must be acute and all the measured angles must be different. The given triangle must also be a scalene triangle

Learn more on triangles here: brainly.com/question/2938476

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Nostrana [21]

Answer:

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Step-by-step explanation:

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Equations (1) and (2) shows that the lines are parallel. We know that for parallel lines, there is no solution.

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Step-by-step explanation:

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