In ∆ADI, AD = AI and ∠D = 45°, then the triangle is ___________
A. Isosceles and acute angled
B. Isosceles and obtuse angled
C. Equilateral
D. Isosceles and right angled
Answer:D
In ∆ADI, AD = AI and ∠D = 45°, then the triangle is ___________
A. Isosceles and acute angled B. Isosceles and obtuse angled C. Equilateral D. Isosceles and right angled