Question : If the angle of a right-angled triangle is 35°, then find the other angles.
Option 1: 90° and 75°
Option 2: 90° and 35°
Option 3: 90° and 55°
Option 4: 90° and 45°
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Correct Answer: 90° and 55°
Solution :
Let ABC be a triangle right-angled at B.
Let $\angle$ A = 35°
By angle sum property in $\triangle$ ABC,
$\angle$A + $\angle$B+$\angle$C = 180°
⇒ 35° + 90° + $\angle$C = 180°
⇒ $\angle$C = 55°
Hence, the correct answer is 90° and 55°.
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