# How To solve these questions

### Asked by yashimadhavi65 | 6th Jun, 2020, 11:19: AM

Expert Answer:

### Q. Prove that the points A(0, -1), B(-2, 3), C(6, 7) and D(8, 3) are the vertices of rectangles ABCD.
Solution:
ABCD are vertices of a rectangle if their opposite sides are equal and adjacent sides are perpendicular.
Note: You can ask only one question per query. In case of more than one question, put in different queries.

Solution:

ABCD are vertices of a rectangle if their opposite sides are equal and adjacent sides are perpendicular.

### Answered by Renu Varma | 6th Jun, 2020, 01:50: PM

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