tolong dijawab ya kak sama caranya

5.
segitiga sama kaki
ABC = ACB = 180 - 124 = 56

BAC = 180 - 56 - 56 = 68

BAE = 124 cm
CAE = 124 - 68
2x = 56
x = 28

6.
Misal x = 20
Pelurus = 180 - 20 = 160
Penyiku =90 - 20 = 70

160 - 2.70 = 160 - 140 = 20

PERNYATAAN BENAR

7.
a. ABC = 180 - 120 = 60
b. ACB = 180 - 60 - 55 = 65
c. ACG = 180 - 65 = 115
d. FCG = ACB = 65