Question

AB=BC=AC=5cm , find its altitude​

Answer 1

Answer:

altitude=√3×5/2=5√3/2

Answer 2

Answer:

altitude=5√3/2=4.33cm

Step-by-step explanation:

altitude²=5²-(5/2)²(altitude⊥base)(pythagoras theorem)

            =25-(25/4)

           =(100-25)/4

           =75/4

altitude=√(75/4)

           =5√3/2

       √3=1.732

           =5*1.732/2    

          =4.33cm