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Prove that a triangle with the sides x cm, 2x cm and √5 x cm form a right-angled triangle​
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Prove that a triangle with the sides x cm, 2x cm and √5 x cm form a right-angled triangle​

User Alexander Thiele
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1 Answer

5 votes

Answer:

use the Pythagoras theorem

Explanation:

x²+(2x)²=x²+4x²=5x²

square root of 5x²= (square root of 5)x

User Saffsd
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