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=1/2 kali 14 kali 7
=14 :2=7 kali 7
=49 cm
L2=1/2 kali (a+b) kali T
=1/2 kali(8+14) kali 4
=1/2 kali 22 kali 4
=22:2=11 kali 4=44 cm
L1+L2=93 cm
= 8 cm × 4 cm
= 32 cm²
2 ) (2) Bangun Segitiga : A × T : 2
= 3 × 4 : 2
= 6 cm² × 2
= 12 cm²
3 ) Segitiga : A × T : 2
= 8 - 4 = 4 cm ( alasnya )
= 4 × 7 : 2
= 14 cm²
jumlah seluruh luasnya adalah :...
= 58 cm²
semoga bermanfaat dan membantu y...