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marin [14]
3 years ago
6

¿Cuántas esferas hay en la figura 20?

Mathematics
1 answer:
scoundrel [369]3 years ago
8 0

Answer:

418

Step-by-step explanation:

fig 2 = fig 1 + 5

fig 3 = fig 2 + 7 or fig 1 +5+7   16

1  2  3   4  5   6    7  8   9  10   11   12   13  14   15   16   17  18  19  20

4+5+7+9+11+13+15+17+18+19+21+23+25+27+29+31+33+35+37+39

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Answer:

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Step-by-step explanation:

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3 years ago
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A piece of wire is 30 m long. What will be the length of each side if the wire is used to form
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Answer:

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Solve for the values of x and y in each item to make the given quadrillater a parallelogram​
maria [59]

Answer:

For given parallelogram, the value of x = 114° and y = 66°

Step-by-step explanation:

(Refer figure)

Given quadrilateral ABCD is a parallelogram.

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m∠C = y°

m∠D = 114°

Since by properties of parallelogram, the both pairs of opposite sides of a parallelogram are parallel.

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Using (1) for given parallelogram ABCD; we get,

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Therefore x = 114° and y = 66°.

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