3 years ago

How to solve a quadrilateral

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

6 0

Answer: Here is an example.

Step-by-step explanation:

Given: parallelogram ABCD, sides as marked.

Find AD.

Solution: 6x - 10 = 3x + 5 (opposite sides)

3x - 10 = 5; 3x = 15; x = 5

AD = 4x - 5 = 4(5) - 5 = 15

Remember:

• This is where the properties of a parallelogram are needed. You know the opposite sides of a parallelogram are congruent, so set the opposite sides equal to one another.

• Be sure to pair up the opposite sides correctly. The side labeled 4x - 5 will not be used when solving for x, but will be used to solve for AD.

My name is Ann [436]3 years ago

4 0

Answer:

You give it a nudge and it solves itself.

Step-by-step explanation:

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