Area of triangle = (1/2)(side1)(side2)sinθ , where θ is the
angle between them
28 = (1/2)(14)(8)sinθ
sinθ = .5
θ = 30°
A triangular flower garden has a an area of 28 m2. Two of its edges are 14 metres and 8 metres. Find the angle between the two edges.
2 answers
1/2(14*8)sin c [28] =(1/2x14x8 sin c) 28÷56=0.5 sun 0.5=30°
1 answer