tlong dong pke cara 1-8 bsok di kumpulin!!pliss

rumus Volume limas segitiga
V= 1/3 x (luas alas) x Tinggi limas
V= 1/3 x (1/2 x a x t) x T limas
1)..V= 1/3 x (1/2 x 12 x 10)x 16cm
V= 1/3 x (120/2) x 16 cm
V = 1/3 x 60 x 16
V = 60/3 x 16
V= 20 x 16
V= 320 cm3

2)..V =1/3x (1/2 x 16 x 14)x 21 cm
V=1/3 x(224/2) x 21 cm
V= 1/3 x (112) x 21 cm
V=21/3 x 112
V= 7 x 112
V= 784

3)..V=1/3x(1/2 x13x12) x T
468=1/3 x(156/2) xT
468 =1/3 x (78) x T
468 = 78/3 xT
468= 26 x T
T= 468/26
T= 18 cm

4)..V=1/3x(1/2 x 15 x18) xT
945=1/3x(15x9)xT
945= 1/3x(135)x T
945=135/3 x T
945=45 xT
T= 945/45
T=21 cm

5)..V=1/3x(1/2x16xt) x 24
896=1/3 x(8xt) x 24
896=8/3 xtx24
896=192/3 x t
896=64 x t
t = 896/64
t=14 cm

6)..V=1/3x(1/2 x20xt)x21
1.120=1/3x(5xt) x21
1.120=5/3xtx21
1.120 =105/3 xt
1.120=35 x t
t= 1.120/35
t= 32 cm

7.)..V=1/3x(1/2xax16)x27
1.296=1/3x(8xa) x27
1.296=8/3 x a x 27
1.296=216/3 x a
1.296=72 x a
a=1296/72
a=18 cm

8.)...V= 1/3 x(1/2 x a x 15) x24
1200=1/3 x (15/2 x a) x 24
1.200=1/3 x360/2 x a
1200=1/3 x 180 x a
1200= 180/3 x a
1200=60 x a
a = 1200/60
a = 20 cm
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