Question

in the adjoining figure line p ll line q line l ll line m find measures of angle a b c. justify your answer.​

Answer 1

Answer:

<C = 80 , <B = 80 , <A = 100

Step-by-step explanation:

because :

if line L ║ line M

so,

<C = 80 (exterior alternate angles)

and if p ║ q

so,

<C = <B = 80 (corresponding angles)

and we know that parrallel line is a straight line

so,

<B + <mba = 180 (linear pair of angles)

80 +<mba = 180 ( since <B = 80)

<mba = 100

<mba = <a = 100 (interior alternate angles)

Hence,

<a = 100 , <b = 80 and <c =80

Answer 2

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