Question

If P is the mid point of segment AB and d(A,P) =9 ,find the length of AB
1) 8
2)18
3)28
4)16​

Answer 1

Step-by-step explanation:

AP+PB=9

⇒AP+AP=9 (Since AP=PB)

⇒2AP=9

⇒AP= 9/2

⇒AP=4.5cm