PLZ HELP ME ON THIS QUESTION GUYS!!
2 answers:
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1) From the picture, we see that we have two vertical angles:
2) Now, because of the<em> "Vertical Angles Postulate"</em> from geometry, we know that angles A and B are equal, so equalling the angles and replacing by their expression from above, we get the following equation in terms of x:
3) We must solve the last equation for x, doing that we find:
Steps to solve the equation
0) We have the equation:
1) We want all the terms with x on one side, and the other on the other one. So we pass the term +3x to the right as -3x:
2) Now we pass the term -10 to the left as +10:
3) We sum the terms on each side:
4) We pass the 3 that multiplies the x on the right, dividing the 60 on the left:
5) Finally we make the division and we get:
Answer
x = 20
For this case, the first thing we must do is draw the given vertices in the same Cartesian plane.
Then, we join the points.
We observe the resulting figure (see attached image).
Since the sides are of different dimensions, then the quadrilateral is a rectangle.
Answer:
Brenda is wrong.
Quadrilateral JKLM is a rectangle.
Then, we join the points.
We observe the resulting figure (see attached image).
Since the sides are of different dimensions, then the quadrilateral is a rectangle.
Answer:
Brenda is wrong.
Quadrilateral JKLM is a rectangle.