Question

please answer step by step​

Answer 1

Answer:

(i) x=50°

(ii) x=100°

Step-by-step explanation:

(i) x+(2x-15°) + (2x+35°)+90°=360°

x+2x-15°+2x+35°+90°=360°

x+2x+2x=360° +15°-35°-90°

5x=375°- 125°

5x= 250°

x=250°/5

50°

:: x=50°

(ii) 2y+2y+5y=180°

9y=180°

y=180°/9

= 20°

x=5y (vertically opposite)

x= 5×20°=100°

::x=100°

Answer 2

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