Question

1. In ∆PQR, angle P=37°, Q = 105.5°, find angle R.​

Answer 1

Answer:

By angle sum property we know that sum all the angles in a triangle is 180°

37°+105.5°+x=180

142.5+x=180

x=180-142.5

x=37.5°

Step-by-step explanation:

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Answer 2

Answer:

sum of all is =240

Step-by-step explanation:

then 37 +105=142

so 240-142= angle R

=98°is angle R