Question

Tolong ya....yang nomor yang dilingkari... nomor 3

Answer 1

A)FD=12
DE=5
FD+DE=12+5=17
b)dik:cba = 90 drajat
bca = 64 drajat
bac = 64 + 90
=154
=180 - 154
= 26 drajat