Question

17 Determine x em cada caso:​

Answer 1

tg54=4/x
x = 4/tg54 = 2,9m

tgx = 7/10
x = tg-¹ (7/10) = 35°

cos45 = x/5√2
x = 5√2. cos45
x = 5√2. √2/2 = 5√4/2 =5.2/2 = 5

5/sen31 = x/sen41
x = 5•sen41/sen31
x = 6,37cm