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Someone please help me with this ? Explain and give steps

Someone please help me with this ? Explain and give steps-example-1
User Ric Jafe
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its an isosceles triangle

angle B = 47

and triangleADB is congruent to triangle ADC

from here we can say that BD = DC

now AD is a median and also altitude

so from here we can say angle x = 90

now in triangle ADB

90+47+y=180(ANGLE SUM PROPERTY )

y= 43
User Reginald Blue
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