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36 = 1/2 2x²
36 = x²
6 = x
2. 2((p+7)+p) = 38
2p + 7 = 19
2p = 12
p = 6
3. 96 = 2(5x + 3x)
48 = 8x
6 = x
p= 5(6)
p= 30
l= 3(6)
l= 18
4. √289= 17
5. diagonal lain 12 (dng pitagoras)
1/2.12.16= 96
6. tinggi trapesium= 12 (dng pitagoras)
1/2(10+20).12=180