MathematicsIn ΔABC,AC2=AB2+BC2 , then ∠B=

In $Δ A B C, A C^{2} = A B^{2} + B C^{2}$ , then $∠ B =$

A
$60 °$
B
$90 °$
C
$36 °$
D
$100 °$

Solution:

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Type of relations_mathematics