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प्रश्न
Complete of the following, so as to make a true statement:
A quadrilateral has ...... angles.
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उत्तर
A quadrilateral has four angles.
संबंधित प्रश्न
What is the sum of the measures of the angels of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try!)
Complete of the following, so as to make a true statement:
A quadrilateral has ....... sides.
In Fig. 16.19, ABCD is a quadrilateral.
Name a pair of opposite angles.
Three angles of a quadrilateral are equal. Fourth angle is of measure 150°. What is the measure of equal angles.
In a convex hexagon, prove that the sum of all interior angle is equal to twice the sum of its exterior angles formed by producing the sides in the same order.
In quadrilateral PQRS, ∠P : ∠Q : ∠R : ∠S = 3 : 4 : 6 : 7.
Calculate each angle of the quadrilateral and then prove that PQ and SR are parallel to each other
(i) Is PS also parallel to QR?
(ii) Assign a special name to quadrilateral PQRS.
In a trapezium ABCD, side AB is parallel to side DC. If ∠A = x° and ∠D = (3x – 20)°; find the value of x.
Two adjacent angles of a parallelogram are 70° and 110° respectively. Find the other two angles of it.
In the following figure, name any two angles that appear to be obtuse angles.
In the following figure, What is AC – EC?
