Jawapan

2016-10-07T22:32:01+08:00
I not question...........
step 1...cri pnjg segitiga tu dulu...ambik 12-8=4
Jawapan Paling Bijak!
2016-10-07T22:59:09+08:00
Area whole diagram = 136 cm²
let QV = h, PU = VT+h = 8 + h

Area PQTU = 4 × (8+h) = 32+4h
Area QRV = 1/2 × 8 × h = 4h
Area RSTV = 8 × 8 = 64

Area whole diagram = Area PQTU + Area QRV + Area RSTV
136 = 32+4h + 4h + 64
136 = 96 + 8h
8h = 40
h = 5 cm

PU = 8 + 5 = 13 cm
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