Question

pakai cara ya, makasii.​

Answer 1

Jawaban:

39 cm

Penjelasan dengan langkah-langkah:

PQ = 10 cm

PS = SQ = 10 ÷ 2 = 5 cm

PR = √(PS² + RS²)

PR = √(5² + 12²)

PR = √(25 + 144)

PR = √169

PR = 13 cm

PR = QR = 13 cm

Keliling

= PQ + PR + QR

= 10 + 13 + 13

= 26 + 13

= 39 cm

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