In a parallelogram ABCD, if ∠A=80∘ then ZB is equal to

A

80

B

180

C

100

D

120

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Updated on:21/07/2023

Knowledge Check

• Question 1 - Select One

In ΔABC,if BC=AB and ∠B=80∘,then ∠A is equal to

A80
B40
C50
D100
• Question 2 - Select One

In a parallelogram ABCD, the sum of any two consecutive angles is 180∘ and opposite angles are equal. In a parallelogram ABCD,∠D=115∘ , determine the measure of ∠Aand∠B

AA=85,B=115
BA=65,B=65
CA=65,B=115
DA=75,B=105
• Question 3 - Select One

In a parallelogram ABCD if ∠A=(3x−20)∘,∠B=(y+15)∘and∠C=(x+40)∘, then the values of x and y respectgively are

A30,95
B95,30
C60,30
D30,60

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