Question

If AB =6cm,then value of BC+CA is​

Answer 1

Answer:

AB= BC + CA

6 = BC + BC

6 = 2BC

6 = BC

2

3cm = BC

BC = CA = 3cm

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Answer 2

Given,

In ABC triangle BC=CA,

AB=6cm,

AB=BC+CA

To Find,

The value of BC+CA.

Solution,

In ABC triangle it is given that, BC=CA,

Also, AB=BC+CA

So, AB=BC+CA

   ⇒6=BC+BC

   ⇒6=2BC

    ⇒BC=3cm

Then, CA also will be 3cm as it is given that BC=CA.

So, BC+CA=3+3=6cm

Hence, the value of BC+CA is 6 cm.