Soal SMP · Soal cerita · Kesulitan 2/5

Sebuah taman berbentuk persegi dengan sisi 15 meter. Di sekeliling taman akan dipasang lampu dengan jarak 3 meter. Berapa banyak lampu yang diperlukan?

A.15 lampu
B.18 lampu
C.20 lampu
D.25 lampu

Kunci jawaban & pembahasan

Jawaban: 20 lampu

Keliling taman = 4 × 15 = 60 m, banyak lampu = 60 ÷ 3 = 20 lampu.

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