Question

if figure 10.12 find the value of x​

Answer 1

Answer:

This is quite simple. As the figure shows that given angles are supplementary angles,so their sum must be equal to 180°.

=>(x+30)°+(x+21)°+x°=180°

=>3x+51°=180°

=>3x=(180-51)°

=>x=(129/3)°

=>x=43°

Answer 2

Step-by-step explanation:

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