A child was looking for his father. He went 90 m in the east before turning to his right. he went 20 m before turning to his right afain to lok for his father at his uncles place 30 m from this point. His father was not there. From there he went 100m north before meeting hiss father in a street. How far did the son meet his father from the starting point.  Pick.
A) 137	B) 100	C) 2977	D) 126	E) 191
From the diagram, A100 = 90 - 30= 
<gadget id="calculator">90 - 30</gadget>
<output>60</output>
60 and 100D= 100 - 20= 
<gadget id="calculator">100 - 20</gadget>
<output>80</output>
80   AD=A1002+100D2−−−−−−−−−−√=602+802−−−−−−−−√=100AD=A1002+100D2=602+802=100   Answer:100
<result>B</result>
A child was looking for his father. He went 90 m in the east before turning to his right. he went 20 m before turning to his right afain to lok for his father at his uncles place 30 m from this point. His father was not there. From there he went 100m north before meeting hiss father in a street. How far did the son meet his father from the starting point.