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Work out the value of x​

Work out the value of x​-example-1

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Answer:

x=128

Explanation:

first find the base angles (isosceles triangles have congruent base angles and two congruent legs) so do 180-76=104 then divide by 2 =52. Then to find exterior angle add the top angle (76) to one base angle (52) then you get 128 which is the exterior angle.

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User Mike De Klerk
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