Question

answer the question at the same symbols given in the photos
[they all are different questions ]
(answer them speedly )

Answer 1

I hope I have answered the questions you want.
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Answer 2

Your answer is here

19.Ans I) :

Since AOB is a straight line

$x + x + 64 = 180 \\ \\ 2x = 180 - 64 \\ \\ 2x = 116 \\ \\ x = \frac{116}{2} \\ \\ x = 58$
Ans ii) :


$2x + 2x + x = 180 \\ \\ 5x = 180 \\ \\ x = \frac{180}{5} \\ \\ x = 36$

Ans iii) :


$x + x - 3 + 2x - 5 = 180 \\ \\ 4x - 8 = 180 \\ \\ 4x = 180 + 8 \\ \\ 4x = 188 \\ \\ x = \frac{188}{4} \\ \\ x = 47$

Ans iv):

$4x + 30 + 5x - 10 + 6x + 40 = 180 \\ \\ 15x + 60 = 180 \\ \\ 15x = 180 - 60 \\ \\ 15x = 120 \\ \\ x = \frac{120}{15} \\ \\ x = 8$

I hope it will be help you