Question

If x°, (x + 10)°, (x + 20)° and (x + 30)° are the angles of a quadrilateral, then the measure of
greatest angle is
a) 105° b) 95° c) 85° d) 75°

Answer 1

Answer:

the greatest angle is 105

Step-by-step explanation:

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Answer 2

Answer:

x+(x+10)+(x+20)+(x+30)=4x+60

4x+60=360

x=360-60/4

x=300/4

x=75

greater angle =105=a