Question

How to find a area of a triangle whose on angle is 60: and two sides are 42 cm and 42cm (triangle is in a sector)

Answer 1

Area of triangle with one angle and two sides (Side angle side method, (SAS)) is area=absinC/2 a:Length of one side b: Length of other side C:Angle in between them here area=42×42×Sin 60/2 =763.8 cm^2