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siniylev [52]
2 years ago
9

PLEASE HELP!!! Sari stood at a point measured 20 meters away from the base of building A. Turning 40° to building B, she determi

ned that the base
of that building was 25 meters away. How far apart were the buildings? Use a calculator if needed.

Mathematics
1 answer:
strojnjashka [21]2 years ago
3 0

Answer:

<em>x</em><em> </em><em>=</em><em> </em><em>1</em><em>6</em><em>.</em><em>7</em><em>1</em><em>m</em>

Step-by-step explanation:

<em>K</em><em>L</em><em>²</em><em> </em><em>=</em><em> </em><em>K</em><em>X</em><em>²</em><em> </em><em>+</em><em> </em><em>L</em><em>X</em><em>²</em><em> </em><em>-</em><em> </em><em>2</em><em>K</em><em>X</em><em> </em><em>×</em><em> </em><em>L</em><em>X</em><em> </em><em>×</em><em> </em><em>c</em><em>o</em><em>s</em><em>(</em><em>K</em><em>X</em><em>L</em><em>)</em>

<em>x</em><em>²</em><em> </em><em>=</em><em> </em><em>2</em><em>6</em><em>²</em><em> </em><em>+</em><em> </em><em>2</em><em>0</em><em>²</em><em> </em><em>-</em><em> </em><em>2</em><em> </em><em>×</em><em> </em><em>2</em><em>6</em><em> </em><em>×</em><em> </em><em>2</em><em>0</em><em> </em><em>×</em><em> </em><em>c</em><em>o</em><em>s</em><em>(</em><em>4</em><em>0</em><em>°</em><em>)</em><em> </em>

<em>x</em><em> </em><em>=</em><em> </em><em>1</em><em>6</em><em>.</em><em>7</em><em>1</em><em>3</em><em>m</em><em> </em><em>≈</em><em> </em><em>1</em><em>6</em><em>.</em><em>7</em><em>1</em><em>m</em><em> </em>

<em>P</em><em>L</em><em>E</em><em>A</em><em>S</em><em>E</em><em> </em><em>M</em><em>A</em><em>R</em><em>K</em><em> </em><em>M</em><em>E</em><em> </em><em>A</em><em>S</em><em> </em><em>B</em><em>R</em><em>A</em><em>I</em><em>N</em><em>L</em><em>I</em><em>E</em><em>S</em><em>T</em><em> </em><em>A</em><em>N</em><em>D</em><em> </em><em>H</em><em>A</em><em>V</em><em>E</em><em> </em><em>A</em><em> </em><em>N</em><em>I</em><em>C</em><em>E</em><em> </em><em>D</em><em>A</em><em>Y</em><em> </em><em>:</em><em>)</em><em> </em>

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