tolong dong teman nomor 16-18 yg tau jwb ya
Matematika
laila219
Pertanyaan
tolong dong teman nomor 16-18 yg tau jwb ya
1 Jawaban
-
1. Jawaban youvi
no. 16
OB²= OA² - AB²
=50² - 40²
=2500 - 1600
= 900
OB = akar 900
=30