Question

in a triangle abc angle C is equal to angle A C minus a b is equal 3 cm and its perimeter is 15 cm find AC

Answer 1

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Answer 2

Answer:

Given, <A=<C AC-AB=3

AB=BC. AC=3+AB

Perimeter of ∆ABC=15cm.

AB+BC+CA=15cm

AB+BC+3+AB=15cm(AB=3+AB)

AB+AB+3+AB=15cm(AB=BC)

3AB=15-3

3AB=12

AB=12/3

AB=4cm

=AC=3+AB

3+4

7cm Ans

explanation:

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