Matematika . . . . . . . . ​

Jawaban:

A. 8 cm

Penjelasan dengan langkah-langkah:

GSPD

GSPD = √jarak² – (R + r)²

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PQ = jarak nya = 10 cm

PR = R = 4 cm, dan QS = r = 2 cm

GSPD = √PQ² – (PR + QS)²

GSPD = √10² – (4 + 2)²

GSPD = √100 – 6²

GSPD = √100 – 36

GSPD = √64

GSPD = 8 cm