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Item 3: helppp, i need help asap :)

Item 3: helppp, i need help asap :)-example-1
User Dnkoutso
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1 Answer

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Since the 2 triangles are congruent (exactly the same), we know that side AD is the same as side AB. Since we know they are equal, you can write it as...
3y = 21
Divide both sides of the equation by 3 to solve for y, and you get y = 7.
The answer is A) 7*
User Tallek
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