Q41 of 160 Page 144

In the figure, BEST is a rhombus. Then the value of y-x is

y = 900(Diagonals of a rhombus bisect at right angles)


∠TEB = 900-400 = 500(The diagonals are at right angles and hence the base angles become complementary)


∠STE = x = 500(Co interior angle)


y-x = 900-500 = 400

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