Question

In an equilateral triangle AD┴BC, what is the length of AD,

if the side of the triangle is a unit?​

Answer 1

Answer:

If one side of triangle= 1 unit

Area= √s(s-a)(s-b)(s-c)

also (1/2)b*h

√1.5(0.5)(0.5)(0.5)=(1/2)*1*(AD)

0.43=(1/2)*1*(AD)

2(0.43)=AD

Therefore, AD= 0.86

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