Q). In fig. Angle ACB is a right angle, AC = CD, CDEF is a rectangle and angle BAC = 50 degree. Calculate
(i) angle BDE;
(ii) the angle between the diagonals CE, DF of the rectangle.

Question number 11

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This is not an answer
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Here is the answer of the first part

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There will be 2 angles between diagnols one is acute and other is obtuse
Acute is 20degrees
Obtuse is 160degrees
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