Step: 1

Free body diagram of the truss is as shown.

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Step: 2

Let be the forces in the members respectively

Consider algebraic sum of moments about point K to be zero.

Step: 3

Consider the algebraic sum of forces along the horizontal direction to be zero.

Consider the algebraic sum of forces along the vertical direction to be zero.

Step: 4

Cut the truss through the members to analyze the forces in them.

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Step: 5

Consider triangle ADE.

Consider triangle BDE.

Step: 6

Consider algebraic sum of moments about point D to be zero.

Therefore, force in the member CE is .

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Step: 7

Taking condition of equilibrium along the vertical direction,

Step: 8

Therefore, the force in the member CD is .

Step: 9

Taking condition of equilibrium along the horizontal direction,

Therefore, force in the member AD is .