Its not a full questions...... send the full question
Using PADMAS really works
7 1/4 rounds to 7
5 3/4 rounds to 6
7 - 6 = 1 <== ur estimate
The complete question in the attached figure
we know that
tan R°=opposite side angle R/adjacent side angle R
opposite side angle R=72 units
adjacent side angle R=25 units
so
tan R°=72/25
R=arc tan (72/25)---------> R=70.85°-------> R=70.9°
the answer is R=70.9°
Where is the triangle I cant help if I don't have the triangle