jawaban 20√2
penjelasan
km/sin L= kl/sin M
km/ sin 45= 20/ sin 30
km/ 1/2√2= 20/ 1/2
km= 40.1/2√2
km= 20√2
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jawaban 20√2
penjelasan
km/sin L= kl/sin M
km/ sin 45= 20/ sin 30
km/ 1/2√2= 20/ 1/2
km= 40.1/2√2
km= 20√2