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Question

State true or false.
In the adjoining figure, AB = AC and BD = DC.
If ΔADBΔADC then ADB+ADC=90.

1058704_8b77753515d54bdab28892f22a37145f.png

A
True
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B
False
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Solution

The correct option is B False
In ADB and ADC
AB=AC(given)
BD=DC(given)
AD=AD(common)

ADBADC(SSS)
ADB=ADC by CPCT

Now,ADB+ADC=180
ADB+ADB=180

Hence =180=2ADC=90ADC=90

the given statement is false.

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