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c
a
d
b
c jwabanya yg bnr
= 22/7 x 49 x 49
=7.546 cm2 (e)
2. L= d1 x d2 : 2
= 42 x 15 : 2
= 315 cm2 (d)
3. L= a x t :2
=15 x 38 : 2
= 285 cm2 (c)
4. K= 4 x s
56= 4 x s
s = 56 : 4
s= 14 cm
L = s x s
= 14 x 14
=196 (a)
5.L=jumlah sisi sejajar x t :2
=(21+29) x 17 : 2
= 50 x 17 : 2
= 425 (F)
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