Advertisements
Advertisements
प्रश्न
What is the maximum number of obtuse angles that a quadrilateral can have?
पर्याय
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 .... diagonals.
Complete of the following, so as to make a true statement:
A point is in the interior of a convex quadrilateral, if it is in the ..... of its two opposite angles.
The sides of a quadrilateral are produced in order. What is the sum of the four exterior angles?
From the following figure find;
- x
- ∠ABC
- ∠ACD
In the given figure : ∠b = 2a + 15 and ∠c = 3a + 5; find the values of b and c.
Find the angles of a pentagon which are in the ratio 4: 4: 6: 7: 6.
Three angles of a quadrilateral are 75º, 90º and 75º. The fourth angle is ______.
The number of common points in the two angles marked in the following figure is ______.
In the following figure, What is AC – EC?
Investigate :
Use strips and fasteners to make a triangle and a quadrilateral.
Try to push inward at any one vertex of the triangle. Do the same to the quadrilateral. Is the triangle distorted? Is the quadrilateral distorted? Is the triangle rigid?
Why is it that structures like electric towers make use of triangular shapes and not quadrilaterals?
