Isosceles Triangle Property
To the base of an isosceles triangle, the median, altitude, angle bisector and perpendicular bisector coincide.
If the perimeter is 36 cm and AB = 10 cm, find DC.
Solution:
We have:
36 = 10 + 10 + 2x x=8cm
If Solution: We have 180=90+40+x x= 50º
Solution: We have