What are the names of three planes that contain point A?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

The product of sin 30 degrees and sin 60 degrees is same as the product of