Question

line l is the perpendicular bisector of seg AB at point M. If PA =3 cm, then find the length of PB. give reason.

Answer 1

Answer: The answer will be 1.5 cm.

Step-by-step explanation:

As perpendicular bisectors bisect a in two halves. Then, the length of PA is 3cm. Half of 3 cm is 1.5 cm.

So, PB=1.5cm.

Answer 2

Answer:

PB= 3cm.

Step-by-step explanation:

From the given data in question it can be calculated that-

In △PAM & △PBM

PM=PM (PM is common line of both the triangles)  

AM=BM   (PM is bisector of AB)

∠PMA=∠PMB (both are 90o)

∴ △PAM≅△PBM    (by SAS)

Hence,

AP=PB=3cm

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