If in - ABC - - B- 90 - C-45- - then find the angle A-

The sum of angles in Triangle is 180^∘ ∠ A+∠ B+∠ C=180 ∠ A+90+45=180 ∠ A=180 135=45^∘ ...

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The Orthocentre

If in Δ ABC...

Question

If in $Δ A B C, ∠ B = 90^{\circ}, ∠ C = 45^{\circ},$ then find the angle A.

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