Question

2. Perhatikan gambar berikut! G 4 cm 4 cm, 60* 4 cm 60° D E Tentukn keliling trapesium sama kaki DEFG!​

Answer 1

Materi : Trigonometri

Panjang sisi alas bawah

a¹ = 2( ½ × 4 ) + a²

a¹ = 4 + 4

a¹ = 8 cm

Keliling

K = a¹ + a² + 2s

K = 8 + 4 + 2(4)

K = 20 cm

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