Given: Isosceles TriangleDEF. The measure of vertex Angle D is four times the measure of each base angle E and F.Find the measures of Angles D,E, F.Measure of angle D=Measure of angle B= Measure of angle F=
Accepted Solution
A:
Answer: D = 120° , E = 30° , F = 30°Step-by-step explanation:Let D = 4xLet E&F = x4x + x + × = 180°[angles in triangle is 180°]6x = 180° x = 180/6 x = 30° E = 30° F =30° D =4(30°) =120°(Correct me if i am wrong)