Qual e a medida do menor ângulo formado pelos ponteiros das horas e dos minutos?

Camila diz:

November 10th, 2011 por 17:53

1-Para cada hora o ponteiro das horas move-se :360 / 12 = 30˚
2-Para cada minuto o ponteiro das horas move-se :360˚/12h*60min = 0,5˚/ min
3-Para cada minuto o ponteiro dos minutos move-se o equivalente a : 360˚ / 60 min = 6˚/min
 5h 12 min1- 5h * 30˚ = 150˚2- 12min * 0,5 = 6˚3 – 12min * 6 = 72˚Logo o menor angulo = (150˚ + 6˚) – 72˚ = 156˚ – 72˚ = 84˚

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Qual e o menor ângulo dos ponteiros das horas e dos minutos?

Depois, colocar horas e minutos para que o aluno perceba que quando o ponteiro dos minutos descreve 360º (60 minutos), o ponteiro das horas descreve 30º. Se o ponteiro das horas estivesse sobre o 10, o menor ângulo formado pelos dois ponteiros seria 120º.

Qual o menor ângulo formado pelos ponteiros das horas e dos minutos de um relógio que marca 13h 15 min?

4a Questão Qual é o menor ângulo formado pelos ponteiros das horas e dos minutos de um relógio às 13h15min? 52°15´ 50°30´ 51°15´ 50°15´ 52°30´ Explicação: A circunferência tem 360º e o relógio é dividido em 12 horas , portanto entre um número e o seguinte há 360/12 = 30º.

Qual e a medida do menor ângulo formado pelos ponteiros de um relógio quando ele marca 4?

Neste caso, o ponteiro das horas percorre quatro espaços de horas, a partir das 12h. Logo, 4 ∙ 30° = 120°.

Qual e a medida do menor ângulo formado pelos ponteiros de um relógio quando ele marca 3 horas?

3 resposta(s) R: Se em uma volta há 360Graus, logo 360:12=30. Em cada 1h o ponteiro menor fica 30Graus maior. A circunfêrencia do relógio é de 360º, você divide esse 360º por 12 e obtem 30º .