katlin95
find the missing angle measure in isoceles triangle XYZ, with vertext angle at Y. angle Y= 70 degrees, angle Z=
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jennychan12
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an isoceles has two equal angles.
since the vertex angle is 70 degrees
the other two angles must be the same
and you know that a triangle has 180 degrees
try it!
katlin95
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I got 110 is that right?
Raja99
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its (180-70)/2=110/2=55
jennychan12
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110 is <X + <Z
divide 110 in half
Raja99
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thalli
jennychan12
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it's 55 for <X and 55 for <Z