Question

On a coordinate plane, parallelogram A B C D is shown. Point A is at (negative 3, negative 1), point B is at (7, 9), point C is at (8, negative 1), and point D is at (negative 2, negative 11). Create a rectangle around the parallelogram. The dimensions of this rectangle are ✔ 11 by 20 . Find the area of the four right triangles surrounding the parallelogram. The total area of the triangles is square units. Subtract the triangle areas from the area of the rectangle to obtain the area of the parallelogram. The area of parallelogram ABCD is square units.

Answer 1

The coordinates plane is illustrated below.

How to illustrate the information?

A coordinate plane simply means the graphing system for points and lines.

Based on the information given, the area of teb triangle will be:

= 1/2 × b × h

= 1/2 × 11 × 20

= 110

Other information are attached.

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