Question

if (4x+35)° and (3 x- 15 )° from a straight line then find the value of x what special name is given to this type of angle​

Answer 1

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The value of x is 

Explanation:

If ( 4x+35°) and ( 3x - 15°) form a straight line, then find the value of x. What special name given to these types of angles?

The given angles  are called Linear pair

since the angles are linear pair, their sum is 

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:

Since , (4x+35) and (3x-15) form a straight line.

They are adjacent angles. So,their sum must be 180.

(4x+35)+(3x-15)=180

7x+20=180

7x=180-20

7x=160

x=160/7

So,x= 22.9

the special name is adjacent angles.

Answer 2

the answer is 22°51' this answer is in my book I don't know‍♀ it's right