Penjelasan dengan langkah-langkah:
BARUTARBUNG
s = 23 cm
½s = 23 cm
2
t = 6 cm
t.l = 7 cm
t∆ = √(½s² + t.l²)
t∆ = √((23/2)² + 7²)
t∆ = √((529/4) + (196/4))
t∆ = √(725/4)
t∆ = 5√29 cm
Lp = s² + 4st + 2st∆
Lp = 23² + 4×23×6 + 2×23×(5/2)√29
Lp = 529 + 552 + 115√29
CMIIW
semoga bermanfaat.............
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Penjelasan dengan langkah-langkah:
BARUTARBUNG
s = 23 cm
½s = 23 cm
2
t = 6 cm
t.l = 7 cm
t∆ = √(½s² + t.l²)
t∆ = √((23/2)² + 7²)
t∆ = √((529/4) + (196/4))
t∆ = √(725/4)
t∆ = 5√29 cm
2
Lp = s² + 4st + 2st∆
Lp = 23² + 4×23×6 + 2×23×(5/2)√29
Lp = 529 + 552 + 115√29
Lp = (1.081 + 115√29) cm² ✔
CMIIW
semoga bermanfaat.............