SOLUTION: It is impossible for a triangle to be which of the following, and please explain why. A) Both Isosceles and Right B) Both Equilateral and Equiangular C) Both Scalene and Acute

Algebra ->  Triangles -> SOLUTION: It is impossible for a triangle to be which of the following, and please explain why. A) Both Isosceles and Right B) Both Equilateral and Equiangular C) Both Scalene and Acute      Log On


   

Question 205917: It is impossible for a triangle to be which of the following, and please explain why.
A) Both Isosceles and Right
B) Both Equilateral and Equiangular
C) Both Scalene and Acute
D) Both Obtuse and Equilateral.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
If you think about an equilateral triangle, you know that it is also equiangular and, since the sum of the three angles in any triangle is 180 degrees, the angles in an equilateral triangle must be 60 degrees each. So, each angle is an acute angle (A < 90) so answer D) cannot be true.