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What is the measure of DA? (in a parallelogram)
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What is the measure of DA? (in a parallelogram)

What is the measure of DA? (in a parallelogram)-example-1
User Nmvictor
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1 Answer

20 votes
20 votes

Answer:

DA = 24

Explanation:

the opposite sides of a parallelogram are congruent , then

CD = BA , that is

5x - 18 = 2x + 12 ( subtract 2x from both sides )

3x - 18 = 12 ( add 18 to both sides )

3x = 30 ( divide both sides by 3 )

x = 10

Then

CB = 3x - 6 = 3(10) - 6 = 30 - 6 = 24

so

DA = CB = 24

User My
by
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