Find the x-intercepts of the parabola y=−x2+x+12.
2 answers:
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Given:
A figure of a quadrilateral.
To find:
The measures of angle 1 and angle 2.
Solution:
The given figure has two pairs of congruent adjacent sides. So, the quadrilateral in the figure is a kite.
We know that the diagonals of a kit are perpendicular to each other at the point of intersection.
According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees.
Therefore, the correct option is C.