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Pavel [41]
3 years ago
15

How many equilateral triangles with sides of 4 can fit into a larger triangle with sides of 2012

Mathematics
1 answer:
igomit [66]3 years ago
6 0
The base measures 2012 if you divide that by four you get 503 trianles on the bottom and on the sides and each one gets one smaller until you get to one so 503+502+501,.... or 252+251(504) so the answer is 126,756 triangles in total because 1+503=504  2+502=504... when you get to 252 you just add that to itself so that is the odd one out
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I dont understand how would i solve this
azamat
So those to angles added together equals 180° thus all you have to add those together and set it equal to 180 to find hat x equals, and then add 89 to it to find the highlighted angle.

x+109+x+89=180

add the numbers and x's together

2x+198=180

subtract 198 from each side

2x = -18

divide each side by 2

x = -9

Put -9 in for x in the equation x+89 to find that angle

-9+89

=80

ANSWER:

That angle equals 80°




4 0
3 years ago
Read 2 more answers
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Answer:

<u><em>Decimal</em></u><u><em>:</em></u>

h = 4.2 ft

<em><u>Fraction</u></em><em><u>:</u></em>

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Step-by-step explanation:

\frac{9}{15} :\frac{h}{7}

<u><em>Cross multiply.</em></u>

h · 15 = 9 · 7

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h = 4.2

3 0
3 years ago
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3 0
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Given: ∆ABC ≅ ∆DEF<br> Find: AB and m∠F
Sindrei [870]

AB = 14

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Well the explanation here is simple.

Since the given states that the two triangles, ΔABC and ΔDEF, are congruent, they must have congruent/corresponding parts.

So AB is the same as DE which measures 14, so therefore AB must measure 14.

The same explanation goes to m∠F, ∠C is congruent to ∠F so it must measure 39° too.

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At a physics convention, 10 companies set up equal sized square booths in a row along one wall of the convention center. The boo
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P.S. If it doesn't work, I am so sorry
3 0
3 years ago
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