Di jawab dengan benar ya... jangan lupa pake rumusnya... makasih..
nurhoisam
3. K = 76 cm K = 4*s 76 = 4*s s = 76/4 = 19 L = s*s L = 19*19 = 361 4 L = p*l 1632 = 48 * l l = 1632/48 l = 34 cm 5 LA kubus = 225 LA = s*s 225 = s kuadrat s = 15 V = s*s*s = 15 pangkat 3 = 3375 cm kubik 6 L.segi3 = 240 L = 1/2*a*t 240 = 1/2*a*24 a = 240/(1/2*24) a = 240/12 a = 20 cm 7. Sisi miring = akar dari (28 kuadrat + 21 kuadrat) = akar dari (784+441) = akar dari 1225 = 35 cm 8. L = 36*18 = 684 cm persegi 9. diameter 10. r = 1/2 d = 1/2 35 = 17.5 cm V. 1. L = jml.sisi.sjj*t/2 = (24+36)*26/2 = 60*26/2 = 780 cm persegi 2 V = p*l*t = 70*40*30 = 84000 cm kubik
K = 4*s
76 = 4*s
s = 76/4 = 19
L = s*s
L = 19*19
= 361
4 L = p*l
1632 = 48 * l
l = 1632/48
l = 34 cm
5 LA kubus = 225
LA = s*s
225 = s kuadrat
s = 15
V = s*s*s
= 15 pangkat 3
= 3375 cm kubik
6 L.segi3 = 240
L = 1/2*a*t
240 = 1/2*a*24
a = 240/(1/2*24)
a = 240/12
a = 20 cm
7. Sisi miring = akar dari (28 kuadrat + 21 kuadrat)
= akar dari (784+441)
= akar dari 1225 = 35 cm
8. L = 36*18 = 684 cm persegi
9. diameter
10. r = 1/2 d
= 1/2 35
= 17.5 cm
V.
1. L = jml.sisi.sjj*t/2
= (24+36)*26/2
= 60*26/2
= 780 cm persegi
2 V = p*l*t
= 70*40*30
= 84000 cm kubik
Maaf cuma bisa bantu segitu aja. Thanks :)