ABCD is a parallelogram. Find the values of x and y.

Mathematics

2 answers:

Komok [63]3 years ago

6 0

Answer:

x = 8; y = 29

Step-by-step explanation:

In a parallelogram, opposite angles are congruent.

8x = 7x + 8

x = 8

4y = y + 87

3y = 87

y = 29

Ad libitum [116K]3 years ago

3 0

Answer:

x = 8

y = 29

Step-by-step explanation:

Please let me know if you want me to write an explanation for my answer :)

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The base of a cube is parallel to the horizon. If the cube is cut by a plane to form a cross section, under what circumstance wo

djverab [1.8K]

Answer:

A. when the plane passes through a pair of vertices that do not share a common face

Step-by-step explanation:

The cross section will be a parallelogram if two pairs of opposite faces are intersected. Having the plane contain the space diagonal, but no other vertices, is one way to ensure a (non-rectangular) parallelogram.

The only vertices not sharing a common face are the ones at opposite ends of a space diagonal. If the plane intersects both of those, it will contain the space diagonal.