If $△ A B C \sim △ P Q R$
by AAA criteria and $△ A B C$ is right angled at B with angle A = 60°, then
angle R = .

30°

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60°

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45°

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Solution

The correct option is A 30°
Given,
$△ A B C \sim △ P Q R$
In △ABC
$∠ B = 90 °$
$∠ A = 60 °$
$∴ ∠ C = 180 ° - (90 ° + 60 °) = 30 °$
Since, △PQR is similar to △ABC,
the corresponding angles must be equal.So, $∠ R = 30 °$

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