Is 12:20 , 30:50 , 75:125 equivalent
1 answer:
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Answer:
The graph is symmetric about the x-axis, the y-axis, and the origin
Explanation:
A graph can be symmetric about the x-axis, about the y-axis, and about the origin.
To know if the graph is symmetric about the x-axis, we need to replace y by -y and determine if the equation is equivalent. So,
If we replace y with -y, we get:
Therefore, the graph is symmetric about the x-axis.
The graph is symmetric about the y-axis if we replace x by -x and we get an equivalent equation. So:
Since both equations are equivalent, the graph of the equation is symmetric about the y-axis
The graph is symmetric about the origin if we replace x by -x and y by -y and we get an equivalent equation. So:
Therefore, the graph is symmetric about the origin.
so,
angle DAB = 25° + 35°
= 60°
now,
angle DAB + angle ADC. = 180°
or, 60° + ADC = 180°
or, ADC = 180° - 60°
Therefore, ADC = 120°
therefore, the angles of the PARALLELOGRAM are 60° and 120°.
