Tolong dibantu donk ples

Jawaban:

TUGAS 6

No. 2.

M² = 180° – M¹ = 180° – 130° = 50°

M3 = M1 = 130°

M4 = M2 = 50°

TUGAS 5

No. 2. CBD = 90° – 60° = 30°

No. 3. 3b+20°+64°=180°

3b+84°=180°

3b=180°-84°

3b=96°

b=32°

Sudut ABD=3b+20°=3(32)+20°=96°+20°=116°

No. 4. Sudut B= 180°-120°= 60°

Sudut C=sudut A= 120°

Sudut D=susut B = 60°