# Triangle #XYZ# is and isosceles triangle with a base #/_X=40# degrees. Find the measures of the other base angle and the vertex angle. Please solve? Thanks!

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Jim G.
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Mar 8, 2018

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#"the 2 base angles in an isosceles triangle are equal"#

#"if "angleY" is the other base angle then"#

#angleY=angleX=40^@#

#"vertex angle "angleZ=180^@-(40+40)^@=100^@#

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