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hram777 [196]
3 years ago
9

PLS HELP ME ASAP FOR 6, and 7!!! (GIVING BRAINLIEST AND THANKS!!)

Mathematics
1 answer:
denis23 [38]3 years ago
3 0
For 6 the answer is c because 1 fourth goes into one and a half 6 times so you do 6 times 4 feet which is 24 feet
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3 years ago
Binghamton scholars were counting around the room. The first scholar said "672,"
Gala2k [10]

Answer:

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a regular rectangular pyramid has a base and lateral faces that are congruent equilateral triangles. it has a lateral surface ar
Margarita [4]
A pyramid is regular if its base is a regular polygon, that is a polygon with equal sides and angle measures.
(and the lateral edges of the pyramid are also equal to each other)

Thus a regular rectangular pyramid is a regular pyramid with a square base, of side length say x.

The lateral faces are equilateral triangles of side length x.

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by the Pythagorean theorem: 

h= \sqrt{ x^{2} - (x/2)^{2}}= \sqrt{ x^{2}- x^{2}/4}= \sqrt{3x^2/4}= \frac{ \sqrt{3} }{2}x

thus, 

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but x^{2} is exactly the base area, since the base is a square of sidelength = x cm.


So, the total surface area = base area + lateral area =  24 \sqrt{3}+72   cm^2


Answer: 24 \sqrt{3}+72   cm^2

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3 years ago
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tigry1 [53]
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hope this helps
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Sveta_85 [38]
The answer is B. 936
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