Question

find the values of the unknown x and y in the following diagrams



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Answer 1

Answer:

in diagram 4:

x=60 degree cause they are alternate angles

y=180-60+30=90 degree

in diagram 5:

y=90 degree (alternate interior angles)

2x=180-90=90

therefore x=45 degree

in diagram 6:

x=y (alternate interior angles)

all the three angles are same

so the triangle is an equilateral triangle

therefore the three angles are 60 degree.

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Answer 2

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