Exemplar Exercise Problems I — task. Mathematics CBSE, Class 9.

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1. Three angles of a quadrilateral are

$75^°, 90^°$ and

$75^°$ , then the fourth angle is

$90^{\circ}$
$120^{\circ}$
$95^{\circ}$
$105^{\circ}$

2. A diagonal of a rectangle is inclined to one side of the rectangle at

$25^°$ . The acute angle between the diagonals is

$50^{\circ}$
$55^{\circ}$
$25^{\circ}$
$40^{\circ}$

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