Question

Kongruen No.3-5 besok di kumpulin tolong banget ya, makasih

Answer 1

3).AC²=√AB²+BC²
=√8²+6²
=√64+36=√100
AC=10
AB/BD=AC/BC
8/BD=10/6
BD×10=8×6
10 BD=48
BD=48/10=4,8 cm

4).AB/EF=AD/ED=18/EF=8/3
EF×8=18×3
8 EF=54
EF=54/8=6,75 cm
5).AB/DE=BC/EC
AB/4 = 12/3
AB×3=12×4
3 AB=48
AB=48/3 = 16 cm