Question

In △PQR, ∠P = 700, ∠Q = 650, then find ∠R.

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Answer 1

Step-by-step explanation:

$sum \: o f \: angles = 180 {}^{0} \\ p + q + r = 180 {}^{0} \\ \\ 70 + 65 + x = 180 \\ 135 + x = 180 \\ x = 180 - 135 \\ x = 45$