Jawaban:
a. A1 dan B1
d. B2 dan B4
b. sejajar
d. B3
d. 360°
b. 6°
a. 35°
Penjelasan dengan langkah-langkah:
1. A
2. B
3. B
4. D
5. D
6. 1 persegi = 360°
4. 15x = 360°
15x =
= 90°
x =
= 6 (B)
7. 180 - ∠BCA - ∠ABC = ∠BAC
180 - 55 - 90 = ∠BAC
35° = ∠BAC (A)
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Jawaban:
a. A1 dan B1
d. B2 dan B4
b. sejajar
d. B3
d. 360°
b. 6°
a. 35°
Penjelasan dengan langkah-langkah:
1. A
2. B
3. B
4. D
5. D
6. 1 persegi = 360°
4. 15x = 360°
15x =
= 90°
x =
= 6 (B)
7. 180 - ∠BCA - ∠ABC = ∠BAC
180 - 55 - 90 = ∠BAC
35° = ∠BAC (A)