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linaaaa0496
31.01.2020 •
Mathematics
Your mother wants to get a new television but she would like to have an older model with an aspect ratio of 4: 3 she is looking at a 32 inch television. what is the width height and area of the television?
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Ответ:
Part A) The height of the television is![25.6\ in](/tpl/images/0490/1977/7b26c.png)
Part B) The width of the television is![19.2\ in](/tpl/images/0490/1977/a8d27.png)
Part C) The area of the television is![491.52\ in^{2}](/tpl/images/0490/1977/78453.png)
Step-by-step explanation:
Let
x-----> the width of the television
y-----> the height of the television
we know that
The diagonal of the television is![32\ in](/tpl/images/0490/1977/e1c59.png)
Applying the Pythagoras Theorem
substitute the equation A in equation B
Find the value of y
Find the area of the television
The area of rectangle is equal to
substitute
Ответ:
B
Step-by-step explanation: