Question

Find the value of x for each of the fllowing figure:

Answer 1

Answer:

$(ii) \: 2x + 75 + 65 + 3x + x = 360(reflex \: angle) \\ 6x + 140 = 360 \\ 6x = 120 \\ x = 120 \div 6 \\ x = 20$

$(i) \: 5x + 20 + 75 = 108(linear \: pair) \\ 5x + 95 = 180 \\ 5x = 180 - 95 = 85 \\ x = \frac{85}{5} = 17$

$(iii) \: 3x + 40 + 5x + 120 = 360(reflex \: angle) \\ 8x + 160 = 360 \\ 8x = 200 \\ x = 200 \div 8 \\ x = 25$

Answer 2

Answer:

(i) 5 x + 20=105

105-20= 85

5x=85

x=85/5=17

Step-by-step explanation: