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Describe and correct the error in finding DC
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3 votes
Describe and correct the error in finding DC

Describe and correct the error in finding DC-example-1
User Brigo
by
3.2k points

1 Answer

4 votes

Answer:

DC = 2

Explanation:

The wrong equation was used.

The right equation to use based on the midsegment theorem of a trapezoid is:

MN = ½(AB + DC)

MN = 8

AB = 14

Substitute

8 = ½(14 + DC)

Multiply both sides by 2

8*2 = ½(14 + DC)*2

2*8 = 14 + DC

16 = 14 + DC

16 - 14 = 14 + DC - 14

2 = DC

DC = 2

User Vrijdenker
by
3.8k points
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