Question

Find thecarea if the sides are 7 ,5 and 8

Answer 1

5 7 8 triangle

Acute scalene triangle.Sides: a = 5   b = 7   c = 8

Area: T = 17.321
Perimeter: p = 20
Semiperimeter: s = 10

Angle ∠ A = α = 38.213° = 38°12'48″ = 0.667 rad
Angle ∠ B = β = 60° = 1.047 rad
Angle ∠ C = γ = 81.787° = 81°47'12″ = 1.427 rad

Height: ha = 6.928
Height: hb = 4.949
Height: hc = 4.33

Median: ma = 7.089
Median: mb = 5.679
Median: mc = 4.583

Answer 2

Check this answer which i hv forwarded... n tell me d textbook answer pliz.