Answer:
the answer should be obtuse
Step-by-step explanation:
Sides: a = 16 b = 21 c = 28
Area: T = 166.586
Perimeter: p = 65
Semiperimeter: s = 32.5
Angle ∠ A = α = 34.515° = 34°30'53″ = 0.602 rad
Angle ∠ B = β = 48.047° = 48°2'48″ = 0.839 rad
Angle ∠ C = γ = 97.439° = 97°26'19″ = 1.701 rad
