Answer: question 1 is 62° and radius is 1.0821
question 2 is 454.91794m
question 3 is 855.57622m
Explanation:
Given c=969 and ∠α=28°,
a = 454.91794
b = 855.57622
∠β = 62° = 1.0821 rad
h = 401.6687
area = 194,608.48704
perimeter = 2,279.49416
inradius = 170.74708
circumradius = 484.5
im only in 8th grade so don't trust me on this but i think im right