Like God -> God was dwelling in him without measure, doing the works through Jesus John 14:10, Acts 2:22, so naturally he would appear in the form of God.
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John 14:10Believest thou not that I am in the Father, and the Father in me? the words that I speak unto you I speak not of myself: but the Father that dwelleth in me, he doeth the works. The mutual indwellingthey are both indwelling in each other Father and Jesus, is such that everything what Jesus says or does is the Father’s saying or doing.
Acts 2:22 which God did by him— Jesus, which he did by that divine power with which he was clothed, the mutual indwelling; for no man could do such works, unless God were with him
