Question

In a quadrilateral ABCD,angleA=60°,angleB=2angle C=angleD .find the measure of angleB ,angleC and angleD​

Answer 1

the answer for this question is

Answer 2

Answer:

angleB=angleC=angleD=100

Step-by-step explanation:

ABCD is a quadrilateral

angle sum=360

let equal angles be x

AngleA+angleB+angleC+angled=360

60+x+x+x=360

3x=360-60

3x=300

x=300/3

x=100

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