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AVprozaik [17]
4 years ago
11

Which statement is true about all triangular pyramids? All the lateral faces in a triangular pyramid are congruent. All triangul

ar pyramids have three lateral faces. All triangular pyramids have five faces. All the faces in any triangular pyramid are equilateral triangles. AND ITS NOT C
Mathematics
2 answers:
Dafna11 [192]4 years ago
6 0

Answer:

I think it's A

Sorry if it's wrong though...

puteri [66]4 years ago
4 0

Answer:

All the lateral faces in a triangular pyramid are congruent.  

Step-by-step explanation:

  • A triangular pyramid is a pyramid that has a triangular-shaped base.
  • It has equilateral triangles which are equilateral.
  • The pyramid is also known as tetrahedron because the base is of triangular shape.
  • There are four faces and a triangular base in a triangular pyramid.
  • There are four vertices and six edges.
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ahrayia [7]
To find the angle of vertex E,we need to first find the sum of interior polygons to determine x:
(number \: of \: sides - 2) \times 180
In this case,the equation would be:
(7-2)×180°
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=900°

We can then find the value of x:
(4)6x+(2)2x+8x=900°
24x+4x+8x=900°
36x=900°
x=25°

The interior angle of vertex E:

6x=6(25)=150°

Therefore,the interior angle of vertex E is 150°.

Hope it helps!
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3 years ago
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erastovalidia [21]

Answer:

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Step-by-step explanation:

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so Alison can do 4 math problems per minute

so 160/4= 40 minutes

hope this helps

5 0
3 years ago
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