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lapo4ka [179]
3 years ago
9

1. How many planes are shown in the figure?

Mathematics
2 answers:
g100num [7]3 years ago
5 0

Answer:8 planes are shown in the figure

Step-by-step explanation:

GalinKa [24]3 years ago
4 0
8 planes are shown in that
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55

Step-by-step explanation:

Remark

This is a really good question to know the answer to. <PRQ = 1/2 POQ (the central angle. )

The central angle for this question is 110o. So any angle that has its vertex on the circumference is 1/2 110 = 55. The central angle and the angle on the circumference must be related as they are as this question is. (Both are on the same side of PQ which is not drawn but you can draw it).

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Arisa [49]

Answer:

FOR REGULAR PYRAMID with those dimension.

L.A = 96

FOR HEXAGONAL PYRAMID with those dimension

L.A = 171.71

Step-by-step explanation:

Please the question asked for L.A of a REGULAR PYRAMID, but the figure is a HEXAGON PYRAMID.

Hence I solved for both:

FOR REGULAR PYRAMID

Lateral Area (L.A) = 1/2* p * l

Where p = Perimeter of base

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P = 24cm

l = slanted height

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L.A = 1/2 * 24 * 8

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L.A = 96cm ^ 2

FOR AN HEXAGONAL PYRAMID

Lateral Area = 3a √ h^2 + (3a^2) / 4

Where:

a = Base Edge = 6

h = Height = 8

L.A = 3*6 √ 8^2 + ( 3*6^2) / 4

L.A = 18 √ 64 + ( 3 * 36) / 4

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L.A = 18 √ 64+27

L.A = 18 √ 91

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3 years ago
-9j -7m-8j?????? I need help plz
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Answer:

-17j - 7m

Step-by-step explanation:

combine like terms -9j - 8j = -17j, there is no like term for -7m

8 0
3 years ago
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