diketahui:
r1 = 15 cm
r2 = 8 cm
p = 15 + 2 + 8 = 25 cm
ditanya : PGSPL = ?
jawab:
PGSPL
JP = 15+8+2 = 25
R1 - R2 = 15 - 8 = 7
PGSL = √(25² - 7²)
= √((25+7)(25-7))
= √(32.18)
= 3.2√(8.2)
= 6.4
PGSL = 24 cm
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diketahui:
r1 = 15 cm
r2 = 8 cm
p = 15 + 2 + 8 = 25 cm
ditanya : PGSPL = ?
jawab:
PGSPL
JP = 15+8+2 = 25
R1 - R2 = 15 - 8 = 7
PGSL = √(25² - 7²)
= √((25+7)(25-7))
= √(32.18)
= 3.2√(8.2)
= 6.4
PGSL = 24 cm