Thursday

October 23, 2014

October 23, 2014

Posted by **vincent** on Saturday, August 3, 2013 at 10:46am.

- math -
**Steve**, Saturday, August 3, 2013 at 2:19pmsince the two base angles are equal, if each is x, then

x+30 + x + x = 180

3x = 150

x = 50

So, the vertex angle is 80

**Answer this Question**

**Related Questions**

corollary to isosceles triangle theorem - how to prove 1)the measure of each ...

vertex angle - The three angles add to 180 degrees. Also , the two base angles ...

Geometry - What is the measure of the complement of a 67 degree angle? The ...

Math (Triangles) - The vertex angle of an isosceles triangle is 40°20'. Each of ...

Geometry Question (multiple choice)! - The isosceles trapezoid is part of an ...

geometry - 6. The isosceles trapezoid is part of an isosceles triangle with a 34...

trig - Find the altitude of an isosceles triangle whose base in 30 cm vertex ...

geometry - In an isosceles triangle, the measure of the vertex angle is 4x. The...

algebra - Find the vertex angle of an isosceles triangle with base angles of (...

Math-CHECK PLEASE - Which of the statements is ALWAYS TRUE? A-A right triangle ...