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dondre54
02.11.2019 •
Mathematics
Find the value of x
a: 7
b: -7, 7
c: 49
d: -49, 49
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Ответ:
The angles in a quadrilateral always add up to 360°. Therefore the angle of P is
So the angle of P is 49° and equals x^2. Therefore we get the following equation
Take the square root of both sides
OR
Since the angle must be positive, the value can as well be -7 as 7 (because the square of both of these numbers is 49°). Hence, the answer is B.
Ответ:
No.
Step-by-step explanation:
Parallel lines are two lines that stay the same distance apart for as long as they run. for example : I I <—- parallel lines that never touch