1.

Find the value of ‘x’ in the figure.

Answer»

From Figure 

(5x + 3)° + 97° = 180° 

{∵ Linear pair} 

5x + 100° = 180° 5x = 180° – 100° 

⇒ 5x = 80°

x = 80°/5 = 16°

∴ x = 16°.



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