Respuesta :

The length of hj is 28 units

How to determine the length of hj?

The given parameters are:

hj =4x

hk =3x

jk = 2x

Perimeter = 63

The perimeter of the triangle is calculated as:

P = hj + hk + jk

So, we have

4x + 3x + 2x = 63

Evaluate the like terms

9x = 63

Divide by 9

x = 7

Substitute x = 7 in hj =4x

hj =4 * 7

Evaluate

hj = 28

Hence, the length of hj is 28 units

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