Question

7.) In
О a
parellelogram ABCD is LA is 4/5 Of LB ,
what is LA?
then
-​

Answer 1

Answer:

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Step-by-step explanation:

Since from the property of parallelogram,

The sum of angle on the same side of the line AB is equal to

180

o

, i.e.

∠A+∠B=180

o

∠A=

5

4

∠B (Given)

⇒

5

4

∠B+∠B=180

o

=

5

9

∠B=180

o

=∠B=

9

180×5

=180

o

=∠B=100

o

⇒∠A=

5

4

∠B=

5

4

×100

∠A=80

o

∠B=100

o