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In ∆ABC, ∠Α = 50°, ∠B = 70° and bisector...

In` ∆ABC, ∠Α = 50°, ∠B = 70° `and bisector of `∠C` meets AB in D (Fig. 6.17). Measure of `∠ADC` is.

A

`50^@`

B

`100^@`

C

`30^@`

D

`70^@`

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