Bonjour je voudrais que vous m aidez parce que je n arrive pas a faire ce DM sa serais gentille de votre pars merci d avance alors
exercice 28: cone de revolution 1
on considère un cone tel que SO=5cm et OSA=40°.
a) calcul la longeur de la generatrice SA du cone arrondie au mm.

b) calcul le rayon du disque de base arrondi au mm.

c) calcule le volume du cone au cm cube .

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°