Question

find the values of unknown angle A,B from the following diagram​

Answer 1

Answer:

a= 30⁰ (opposite angles in a parallelogram are equal)

angle a +angle b + 110⁰ = 180⁰( sum of triangle is 180⁰)

30⁰+ angle b + 110⁰ = 180⁰

angle b = 180⁰ - 140⁰

angle b = 40⁰

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Answer 2

Answer:

a = 30⁰, b = 40⁰

Step-by-step explanation:

a = 30⁰ [Alternate interior angles]

a + b + 110⁰ = 180⁰[Sum of interior angles of a

triangle]

30⁰ + b + 110⁰ = 180⁰

b = 180⁰- 140⁰

b = 40⁰