Question

if angle bac is 40 and angle acd is x and ab=ac find the value of x
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Answer 1

Answer:

In bac= 40

and acd is x

ab=ac then angle b = angle c

Therefore we know that the total measure of a triangle = 180

40 +2x=180

=)2x=180-40=140

=)x= 140/2 =70

x= 70