Mathematics, 13.10.2019 06:30, alma79

In an isosceles triangle, if a base angle has a measure of 43 degrees, then the vertex angle must have a measure of 80 degrees as well.
true or false ?

in an isosceles triangle, if a base angle has a measure of 55 degrees, then the vertex angle must have a measure of 70 degrees as well.
true or false ?

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In an isosceles triangle, if a base angle has a measure of 43 degrees, then the vertex angle must ha...