Question

(b) P = 45°, Q = 90°, R= ?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

๛ Sum of angles iN a triangle = 180°

☞ Let the R be x°

So,

P + Q + R = 180°

=> 45° + 90° + R° = 180°

=> 135° + R° = 180°

=> R° = 180° - 135°

=> R° = 45°

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