calcule o valor de x e y nos triângulos retângulos
Anexos:
Soluções para a tarefa
Respondido por
5
A)Tg45°=x/20
1=x/20
X=20
B)cos60°=y/100
1/2=y/100
2y=100
Y=50
Sen60°=x/100
√3/2=x/100
x=√3×100/2
X=√3×50
1=x/20
X=20
B)cos60°=y/100
1/2=y/100
2y=100
Y=50
Sen60°=x/100
√3/2=x/100
x=√3×100/2
X=√3×50
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Respondido por
5
A.-)
Cos 45¤ = y/2
\/2/2 = y/2
2y = 20.\/2
y = 20. \/2 / 2
y = 10.\/2
Tg 45¤ = x / 20
1 = x /2
x = 2
B.-)
Cos 60¤ = y / 100
1/2 = y / 100
2y = 100
y = 100 / 2
y = 50
Sen 60¤ = x / 100
\/3/2 = x / 100
2x = 100.\/3
x = 100.\/3 / 2
x = 50.\/3
Cos 45¤ = y/2
\/2/2 = y/2
2y = 20.\/2
y = 20. \/2 / 2
y = 10.\/2
Tg 45¤ = x / 20
1 = x /2
x = 2
B.-)
Cos 60¤ = y / 100
1/2 = y / 100
2y = 100
y = 100 / 2
y = 50
Sen 60¤ = x / 100
\/3/2 = x / 100
2x = 100.\/3
x = 100.\/3 / 2
x = 50.\/3
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