WAEC - Mathematics (1997 - No. 40)
Two sides of a triangle are perpendicular. If the two sides are 8cm and 6cm, calculate correct to the nearest degree, the smallest angle of the triangle.
35o
36o
37o
38o
53o.
Giải thích
tanθ = 6/8 = 0.75
θ = tan\(^{-1}\) (0.75)
= 37°