题目若一个角的度数是79∘56\’79^{\circ}56\’79∘56\’,则它的余角的度数是（ ）A.10∘4\’10^{\circ}{4\’}10∘4\’B.10∘44\’10^{\circ}44\’10∘44\’C.100∘4\’100^{\circ}{4\’}100∘4\’D.100∘44\’100^{\circ}44\’100∘44\’知识点：度、分、秒的换算章节：图形的性质 / 图形认识初步
