Question

dado o triangulo abc retangulo em c,determine:

a) a medida bc
b) tg b
c)sen a

lados ac: 5cm
ab:13 cm
cb; x

Answer 1

A) 13^2=5^2+x^2
169=25+x^2
x^2=169-25
x^2=144
x=raiz quadrada de 144
bc=x=12

B) tg B = 5/12

C) sen A = 12/13