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claudia122752
04.08.2020 •
Mathematics
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Ответ:
Area of the triangle = 469.4 ft²
Step-by-step explanation:
By applying Sine rule in the given triangle WXY,
Since m∠X + m∠Y + m∠W = 180°
m∠X + 40° + 27° = 180°
m∠X = 180° - 67°
m∠X = 113°
Now substitute the measures of sides and angles given in the picture,
XY =![\frac{38\text{(Sin27)}}{\text{Sin40}}](/tpl/images/0717/1853/db447.png)
XY = 26.84
Area of the triangle =![\frac{1}{2}(\text{XY})(\text{XW})(\text{SinX})](/tpl/images/0717/1853/a7d5d.png)
=![\frac{1}{2}(26.84)(38)(\text{Sin113})](/tpl/images/0717/1853/2074f.png)
= 469.42
≈ 469.4 ft²
Ответ:
2/5.
Step-by-step explanation: