ABCD is a parallelogram in which angle A = 70 degree compute angle B , angle C , angle D.
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Answered by
1
Answer:
In a parallelogram, opposite angles are always equal.
⇒∠A=∠C and ∠B=∠D
as ∠A=70
o
⇒∠C=70
o
Also ∠A+∠B+∠C+∠D=360
o
⇒∠B+∠D=360
o
−140
o
⇒2∠B=220
o
⇒∠B=110
o
⇒D=110
o
Answered by
1
Answer:
a+b=180 degree
angles of a parallelogram are supplementary
b=110 degree
a=c=70 degree of parallelogram are equal
b=d=110 degree= 70 degree and d=110 degree
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