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13-12-2020
Mathematics

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Look at this triangle.
B
13 cm
A
8 cm
Work out length BC.

Look at this triangle B 13 cm A 8 cm Work out length BC class=

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musiclover10045 musiclover10045

13-12-2020

Using the Pythagorean theorem:

BC = sqrt(13^2 - 8^2)

BC - sqrt(169 - 64)

BC = sqrt(105)

The exact dimension is sqrt105

If it needs be be in decimal format, sqrt(105) = 10.24695

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