Question

A right angle triangle has base of 30 cms and the opposite angle is 50 degree, then find the length of hypotenuse.

Answer 1

Base / perpendicular = sin50 

30/P = sin50 

30/P = 0.76

P = 30/0.76 = 39.47 cm 

H² = P² + B²

= 30²  + 39.47²

= 900 + 1558.17

= 2458.17

H = 49.57 cm