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Maths! please help :)

|AB|=10cm
|AD|=5cm
|DC|=6cm
The angles A and D are right angles. Find the length of [BC].

Maths! please help :) |AB|=10cm |AD|=5cm |DC|=6cm The angles A and D are right angles-example-1
User Xarzu
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1 Answer

13 votes

Answer:the first one

Explanation:

User Myborobudur
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