Question

in triangle PQR,angle P = 70 ° angle Q=65°then find R​

Answer 1

Answer:

45°

Step-by-step explanation:

sum of angles in a triangle is 180

180=70+65+R

R=180-70-65

R=45°

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Answer 2

Answer:

∠R = 45°

Step-by-step explanation:

Given that-

PQR is a triangle where

∠P = 70°

∠Q = 65°

∠R = ?

We know that-

The sum of all angles of a triangle is 180.

{By triangle property}

So, In ΔPQR

∠P + ∠Q + ∠R = 180

70° + 65° + ∠R = 180

135 + ∠R = 180

∠R = 180 - 135

∠R = 45°