Bantuuuuuuu yaaaaàaaaaaaaa​

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Bantuuuuuuu yaaaaàaaaaaaaa​

Bantuuuuuuu yaaaaàaaaaaaaa​

Jawaban:

3. B. 5 cm, 12 cm, 13 cm

4. B. 40 cm

Penjelasan dengan langkah-langkah:

4. a= 17² – 15²

= 289 – 225

= √64

= 8 cm.

K= 8 + 17 + 15

= 40 cm.