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derrickgatson48
09.03.2021 •
Mathematics
Example 15
A rectangular swimming pool measures 20 m by 16 m.
A path of uniform width of x em is built around the pool.
If the area of the path is 100 m square, find the width of the path, giving your answer correct to 3 significant
figures
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Ответ:
Here's a link to the
https://cutt.ly/kzjInUL
Ответ:
Ответ:
Let x = measure of the second angle.
The measure of the third angle is 57° more than 1/2 the measure of the second angle. Therefore the measure of the third angle is x/2 + 57°.
The sum of the angles in a triangle is 180°. Therefore
66 + x + (x/2 + 57) = 180
(3/2)x + 123 = 180
(3/2)x = 57
x = (2/3)*57 = 38°
The measure of the second angle is 38°