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Example 4 - In Fig 3.26, BEST is a parallelogram Find x, y and z.

Example 4 - Chapter 3 Class 8 Understanding Quadrilaterals - Part 2

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Example 4 BEST is a parallelogram. Find the values x, y and z. Given A parallelogram BEST having ∠ B = 100° We know that Opposite angles of a parallelogram are equal. ∠S = ∠B x = 100° Also, Adjacent angles of a Parallelogram are Supplementary ∠B + ∠ BES = 180° 100° + z = 180° z = 180° − 100° z = 80° Now, For line SEO ∠SEB + ∠ OEB = 180° z + y = 180° 80° + y = 180° y = 180° − 80° y = 100° Therefore, x = 100° , y = 100° and z = 80°

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.