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Answer:
y=60°and X=3.8
Step-by-step explanation:
angle ADE=angleY
so angleADE=180-120
angleADE=60° :. angle Y= 60°. (opposite angles of of parallelogram are equal)
perimeter =l×b
38= 10 × X
X=3.8
Answer:
x=3.8
y=60⁰
Step-by-step explanation:
l*b = 38 (given)
l*10=38
l=38/10
l=3.8m
angle 120+angle adc=180(linear pair)
120+adc=180
adc=180-120=60
angle adc=angle abc(as opposite angles are equal in a parallelogram )
so angle y= 60 ⁰