Question

9. Calculate the value of x :
2x
3x
х
(44
5x
4x
2x /3x
Straight Line
(a)
Right Angle
(b)
(i)
Angles round
a point
(c)​

Answer 1

x. = 36°

2x = 72

3x. = 108

Step-by-step explanation:

A = Angle = 180°

2x+3x = 180°

5x. = 180°

x. = 180°/5

x. = 36°

2x = 36°×2 = 72

3x. = 36°×3 = 108

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