Question

Find the value of the unknown 'x' in the following triangles.​

Answer 1

x = 40°

by sum of all the angles of the a triangle property

Answer 2

Answer:

x+110⁰+30⁰ = 180⁰(Angle sum property)

x+140⁰ = 180⁰

x = 180⁰-140⁰

x = 40⁰

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