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2
23 = 10 x t
2
23 = 5t
t = 23
5
t = 4,6
23 dari (alas = 8cm, tinggi = 6cm)
2
=8cmx6cm
2
=24cm
b. AD=L:axt
2
24=10xAD
2
24x2=10xAD
48 = 10xAD
48 = 4,8 cm
10
no 6) L = axt
2
= 12cm x 9cm
2
=54cm
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