Question

In the following figures, find x
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Answer 1

1). 2x-5°+3x+10° = 180° (straight line angles)

5x +5 = 180

5x = 175

x = 35

2). 25°+x+40° = 180° (straight line angles)

x + 65° = 180°

x = 180°-65°

x = 115°

Answer 2

Answer:

In the first figure

x = 35°

(2x - 5 )+ (3x + 10) = 180°

5x +5 = 180°

5x = 175

x= 35°

In the second figure

x= 115°

25° + 40° +x = 180°

65° + x = 180°

x = 115°

hope u get it.

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