Bantuin dong temen temen..
sebisanya aja, tpi klo bisa semua
makasih :)
sebisanya aja, tpi klo bisa semua
makasih :)
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1.
b=20.000.000×24×2/100
b=9.600.000
jadi uang bimo
=20.000.000+9.600.000=29.600.000
2.
b=10.000.000×(3/100)×(2/12)
b=50.000
jadi yg dikembalikan
=10.000.000+50.000=10.050.000
3....
4....
5.60÷90=x÷8
=¥3÷2=x÷8
=x=8¥3/2=4¥3....(¥=akar)
7.
pjg siai a = 5 karena segitiga sama sisi
8.
a/sin a=n/sin b=c/sin c
a/sin 60=10/sin 45
a/(1/2 ¥3)=10/(1/2 ¥2)
a=(1/2 ¥3).10/(1/2 ¥2)
a=10¥3/¥2
(10¥3/¥2) × (¥2/¥2) =10¥6/2=5¥6
9.
luas=1/2(20)(8) sin 120
=80 sin 120
=80×1/2 ¥3
=40¥3
10.
s=1/2(6+5+9)=1/2(20)=10
L=¥s(s-a)(s-b)(s-c)
L=¥10(10-6)(10-5)(10-9)
L=¥10(4)(5)(1)
L=¥200=¥100×2=10¥2
¥=akar
luas =