prove that in an isosceles triangle the angels opposite to equal sides are equal
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Step-by-step explanation:
first draw a triange ABC
in ab and ac are equal
construct ad bisects angel a
proof
in triangle ABD ant triangle ACD
ab=ac (given)
ad=da (common)
angel BAD =angel CAD (given)
by SAS
TRIANGLE ABD = TRIANGLE ACD
ANGEL ABD = ANGEL ACD (CPCT)
HENCE PROVED
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