Question

- In AABC of the adjoining figure, DE || BC. If ZB = 30° and ZA= 40°
then find the values of x, y, z.​

Answer 1

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angle A +B + C = 180

40 + 30 + C =180

x = 110°

angle x = y

angle y = 110°

angle z + A + y = 180

40 + 110 + angle z = 180

z = 30°

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