Question

Calcule o valor do x nos triangulos retangular , me ajudem pf

Answer 1

Triângulo base: 3-4-5
a) 10, pois 3.2= 6
4.2=8
5.2= 10
b) 15, pois 3.3= 9
4.3= 12
5.3= 15
c) x=4, 5.4= 20
4.4=16
3.4= 12
Pelo Teorema de Pitágoras:
a) $x^{2} = 6.6 + 8.8 x^{2} = 36+64 x^{2} = 100 x= \sqrt{100} x=10$
b)$x^{2} =9.9 + 12.12 x^{2} =81+144 x^{2} =225 x= \sqrt{225} x=15$