the area is just 1/2 ab
the area is just 1/2 bc sinα
Calculate the area of the following triangles, giving your answers to 2 decimal places:
(a) The right-angled triangle with sides a=16, b=63, and c=65.
(b) The triangle with angle α = 40° and adjacent sides b=10 and c=20.
1 answer
2 answers