If you make your sketch, you should realize that you have
two congruent right-angled triangles with base 3, and hypotenuse 5.
You should recognize the basic 3-4-5 right angled triangle, since
3^2 + 4^2 = 5^2
so AM = 4
abc is an isosceles triangle in which ab=ac=5cm and BC =6cm.calculate \am\where m is the midpoint of BC
1 answer