Matematika tolong bantu dongg makasi​

tolong bantu dongg makasi​ Jawaban: PGSPL = √(Jp² - (r1 - r2)²) PGSPL = √(20² - (15 - 7)²) PGSPL = √(400- 64) PGSPL = √336 PGSPL = √16 × √21 PGSPL = 4√21 cm [answer.2.content]