100 Things BYU Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things BYU Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika bantu jawab dong kakak soal no 8 dan 10 kalau sudah terima kasihhh​

bantu jawab dong kakak soal no 8 dan 10 kalau sudah terima kasihhh​

Jawaban:

8. pakai rumus pytagoras

21² = 15² + a²

a² = 21² - 15²

a² = 441 - 225

a = √216

a = (36 x 6) = 66

10.

<PQR = 60⁰

QR = 10

PQ = ?

Cos 60⁰ = PR / QR

1/2 = PR / 10

PR = 1/2 x 10 = 5 cm

Jawaban:

sama sama

Penjelasan dengan langkah-langkah:

itu apa yg dilingkari tdk kelihatan tdk paham