Question

2) determine a base e a altura (use : sen 37° =0,60; cós 37°=0,80;TG 37° =0,75).

Answer 1

a) base:

cos(37) = b/50

0.80 = b/50

b = 50*0.80 = 40 cm

b) altura

sen(37) = a/50

0.60 = a/50

a = 50*0.60 = 30 cm