Answer:
sum of angles in the quadrilateral =360
Step-by-step explanation:
angle H+angle A +angle I+angle R =360
60+105+angle I+75 = 360
240+ angle I =360
angle I =360-240
angleI =120
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Answer:
sum of angles in the quadrilateral =360
Step-by-step explanation:
angle H+angle A +angle I+angle R =360
60+105+angle I+75 = 360
240+ angle I =360
angle I =360-240
angleI =120