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NikAS [45]
4 years ago
6

Find the square root of the following numbers by prime factorisation method :(iii) 3136​

Mathematics
1 answer:
vichka [17]4 years ago
8 0
3136 = 1568 x 2
1568 = 784 x 2
784 = 392 x 2
392 = 196 x 2
196 = 98 x 2
98 = 49 x 2
So 49 x 2 x 2 x 2 x 2 x 2 x 2 = 49 x 4 x 4 x 4 = 3136
So the square root of 3136 = the square root of (49 x 4 x 4 x 4) = 7 x 2 x 2 x 2 = 56
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To find the area of a rectangle, multiply the width times the height. 
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I have included another image showing the triangles combined into rectangles. So we can find the area of the triangles just like we would rectangles!

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5 · 10 = 50

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And finally, the green triangles.

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3 years ago
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iVinArrow [24]

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3 years ago
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jekas [21]
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3 years ago
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natta225 [31]

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Step-by-step explanation:

1) substitute x for 6

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5 0
3 years ago
Read 2 more answers
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