Question

can help me with to solve 17 number

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Answer 1

Answer:

Step-by-step explanation:

Given that BC/CD=AC/BC

Now in triangle ABC and BDC

/_C=/_C   (common)

and  BC/CD=AC/BC (given )

Hence by SAS rule.... triangle ABC is similar to triangle BDC

Hence AB/BC=AC/BD

i.e.  AB/BC=AB/BD

=BC=BC (HENCE PROVED)