### Answers to Math Exercises & Math Problems: Triangles and Properties of a Triangle

 Show Answer to the Exercise:           P = 12 cm, A = = 6.93 cm2, α = β = γ = 60°, α' = β' = γ' = 120°   α = β = 43°30', γ = 93°   6 cm   45°   a = 3 dm, b = 4 dm, α = 36°52', β = 53°08'   b = = 11.66 cm, mb = = 10.3 cm   a) h = 8.31 mb) α = 77°46'   | MN | = 2( 6 +) = 16.9 cm   a = b = 16 cm, c = 28 cm   | ∠ ACD | = 27°   α = 108°, β = 54°, γ = 18°   a = 15 cm, b = 22 cm, c = 17 cm, α = 42°54', β = 86°38', γ = 50°29'   α = 45°, β = 60°, γ = 75°, b = = 1.73, c = 1.93   h = 325.7 m   w = 14.6 m   γ = 61°03', a = 30.28, b = 35.87, c = 33.94   P = 3 + = 4.73, A = = 0.87   a = 18.41 cm, b = 14.86 cm, c = 6.51 cm   b = 15.24, c = 10.66, α = 32°04', γ = 42°21'   A = 3.85   yes, γ = 91°18' > 90°   a = 20.86, b = 55.31, c = 68.06, γ = 119°32'   105.16 N   d1 = 12.54 cm, d2 = 7.14 cm   a = = 14.2, b = = 9.67, c = = 17.18   The triangle is right-angled.   r = 3   r = 17 cm   a = 13, h = = 9.23, e = 10, f = 24   b = = 3.75, c = = 6.25             You might be also interested in: