Answer:
To find c° go with <em><u>Triangle Sum Theorem</u></em> .
To find d° go with <em><u>Supplementary Angle with 58°.</u></em>
To find a° go with <em><u>Transverse Angles</u></em><em><u>.</u></em>
To find b° go with <em><u>Transverse Angles .</u></em>
Step-by-step explanation:
c° = 180- 58 - 48 = <em><u>74</u></em><em><u>°</u></em>
b° = <em><u>48</u></em><em><u>°</u></em>
d° = 180 - 58 = <em><u>122</u></em><em><u>°</u></em>
a° = <em><u>58</u></em><em><u>°</u></em>