Advertisements
Advertisements
प्रश्न
What is the maximum number of obtuse angles that a quadrilateral can have?
विकल्प
1
2
3
4
Advertisements
उत्तर
3
Explanation:
Sum of interior angles of a quadrilateral is 360°.
An obtuse angle is an angle between 90° and 180°.
So, all the angles can’t be obtuse since then the sum will exceed 360°.
So, maximum it can have 3 obtuse angle.
APPEARS IN
संबंधित प्रश्न
Complete of the following, so as to make a true statement:
A quadrilateral has ..... vertices, no three of which are .....
Complete of the following, so as to make a true statement:
The sum of the angles of a quiadrilateral is .... right angles.
In Fig. 16.19, ABCD is a quadrilateral.
Name a pair of opposite sides.

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 the given figure, PQRS is an isosceles trapezium. Find x and y.

In ΔABC, E is the mid-point of median AD such that BE produced meets AC at F. IF AC = 10.5 cm, then AF =
Two diagonals of an isosceles trapezium are x cm and (3x – 8) cm. Find the value of x.
In a parallelogram ABCD, its diagonals AC and BD intersect each other at point O.

If AC = 12 cm and BD = 9 cm ; find; lengths of OA and OD.
In quadrilateral ROPE, the pairs of adjacent angles are ______.
The number of common points in the two angles marked in the following figure is ______.

