![VERTEX ANGLE of an ISOSCELES TRIANGLE is 20 degrees. What is the measure of one of the base angles - YouTube VERTEX ANGLE of an ISOSCELES TRIANGLE is 20 degrees. What is the measure of one of the base angles - YouTube](https://i.ytimg.com/vi/9rcOq91ld-s/maxresdefault.jpg)
VERTEX ANGLE of an ISOSCELES TRIANGLE is 20 degrees. What is the measure of one of the base angles - YouTube
![Proof and reasoning that “the base angles of isosceles triangles are equal” | Download Scientific Diagram Proof and reasoning that “the base angles of isosceles triangles are equal” | Download Scientific Diagram](https://www.researchgate.net/profile/Keith-Jones-27/publication/308163821/figure/fig7/AS:408108854726656@1474312141097/Proof-and-reasoning-that-the-base-angles-of-isosceles-triangles-are-equal_Q640.jpg)
Proof and reasoning that “the base angles of isosceles triangles are equal” | Download Scientific Diagram
![Find the measure of an exterior angle at the base of an isosceles triangle whose vertex angle measures 50^o . Find the measure of an exterior angle at the base of an isosceles triangle whose vertex angle measures 50^o .](https://haygot.s3.amazonaws.com/questions/458475_a3eac5f5ba924ea68cabaf710c2786fa.png)
Find the measure of an exterior angle at the base of an isosceles triangle whose vertex angle measures 50^o .
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