If the side of a right angle triangle are a, ar, ar2 (r < 1), then r2 is equal to

If the side of a right angle triangle are a, ar, ar2 (r < 1), then r2

1.	If the side of a right angle triangle are a, ar, ar2 (r < 1), then r2 is equal to
A.	\(\frac{{\sqrt 5 - 1}}{2}\)
B.	\(\frac{{\sqrt 5 + 1}}{2}\)
C.	\(\sqrt 5 - 1\)
D.	\(\sqrt 5 + 1\)
Answer» B. \(\frac{{\sqrt 5 + 1}}{2}\)

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If the side of a right angle triangle are a, ar, ar2 (r < 1), then r2 is equal to

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