PENTUANG TINGGI dengan pythagoras = garis miring kuadrat- ( perbatasan = alas terpanjang -alas terpendek) kuadrat
Tinggi = (14×14 )-((14-8)×(14-8))=akar160= 12
Luas = jumblah sisi sejajar × tinggi ÷ 2= 22×12÷2=132
Keliling = 14 + 8 + 14 + 12=48
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PENTUANG TINGGI dengan pythagoras = garis miring kuadrat- ( perbatasan = alas terpanjang -alas terpendek) kuadrat
Tinggi = (14×14 )-((14-8)×(14-8))=akar160= 12
Luas = jumblah sisi sejajar × tinggi ÷ 2= 22×12÷2=132
Keliling = 14 + 8 + 14 + 12=48