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joynerjaila
30.01.2020 •
Mathematics
The area of a square is numerically 45 more than the perimeter. find the length of the side
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Ответ:
Perimeter of square = 4l
According to the question,
Using zero product property,
Either,
Or,
Since length can't be negative, the length is 9
Ответ:
Because ∠PTS and ∠QTR are vertical angles, we can use the Vertical Angle Theorem to say they are equal. Therefore:
11(y - 10) = (4y - 5)
Now, solve for y:
11y - 110 = 4y - 5
7y = 105
y = 15
You got up to here, but rather than finding the angle measure they asked for, you put the value of y. So, lets do that. Plug y back into ∠PTS:
11(y - 10)
=11(15 - 10)
=11(5)
=55
Therefore, the measurement of ∠PTS is 55°.
Hope this helps! :)