Question

Find the value of (x) in each of the following figures given below


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Answer 1

Answer:

a) linear pair, 80 + x = 180

x = 100

b) linear pair, 2x + 3x = 180

5x = 180

x = 180/5

x = 36

Answer 2

Answer:

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a) 100 b)108,72

Step-by-step explanation:

a) x +80°=180° ( LINEAR PAIR)

x = 180°-80°

x =100°

b) 3x +2x =180° ( LINEAR PAIR)

5x = 180°

x = 180 °

5

x = 36°

3x = 3×36=108°

3x = 3×36=108° 2x= 2×36=72°