13. Perhatikan gambar berikut.

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4x + 4°
3x + 8°
llustrator: Arif Nursahid
Besar ZCED =
a. 50°
b. 60°
c. 70°
d. 75°​

13. Perhatikan gambar berikut.

13. Perhatikan gambar berikut.

Jawaban:

180=3x+8+4x+4+5x

180-4-8=12x

168=12x

14=x

zCED = 3x+8

CED = 3× 14 +8

= 42+8

= 50