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3 years ago

How many faces does a pyramid with a square base have? A. 7 B. 5 C. 6 D. 8

Mathematics

2 answers:

ElenaW [278]3 years ago

7 0

Answer:

B. 5

Step-by-step explanation:

Each edge of the base has one triangular face attached to it (which then come together). Since it is a square base, this gives you 4 faces, and the base itself makes 5 faces.

Sergio [31]3 years ago

3 0

5 faces because there are 4 triangle sides and 1 square side. (or face whatever you wanna call it)

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Alex17521 [72]

Answer:

1) x=67, y=83, z=80 2) x=5

Step-by-step explanation:

1) 28+85=113 a triangle is 180 degrees so 180-113=67 so x=67

x and y are supplementary meaning both sides equal 150 so 150-67=83

83+17=100 now going back how much did i say a triangle should equal? 180 so z is 80

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