Soal SMP · Soal cerita · Kesulitan 2/5

Read the text. A rectangular garden is 12 m long and 9 m wide. A fence is built around it. How many metres of fence are needed?

A.21 m
B.36 m
C.42 m
D.54 m

Kunci jawaban & pembahasan

Jawaban: 42 m

Perimeter = 2 × (12 + 9) = 2 × 21 = 42 m.

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