Question

22. In an equilateral triangle of side 3/3 cm, find the length of the altitude,​

Answer 1

Step-by-step explanation:

as per heron's formula of s=a+b+c/2

we get s=9/2=4.5

area will be

√4.5(4.5-3)(4.5-3)(4.5-3)

√4.5(1.5)(1.5)(1.5)

12.33cm²

1/2 bh

1/2(3)(?)=12.32

3/2(x/2)=12.32

x/2=12.33(2/3)

x/2=8.22

x=16.44

ans

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√4.5(3.375)

√