Question

Please give step by step explanation ​

Answer 1

Answer:

x=17°

Step-by-step explanation:

Sum of angles in a straight line is 180°

ATQ,

x+4x+10+5x=180°

10x+10=180°

10x=170°

⇒x=17°  ANS

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Answer 2

Answer:

X+(4x+10)+5x=180

X+4x+10+5x=180

10x=180-10

X=170/10

X=17

Therefore,

X=17°

4x+10°=4×17+10=68+10=78°

5x=5×17=85°

Step-by-step explanation:

Hope it helps....