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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.
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संबंधित प्रश्न
Given here are some figures:
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Classify each of them on the basis of the following:
- Simple curve
- Simple closed curve
- Polygon
- Convex polygon
- Concave polygon
In Fig. 16.19, ABCD is a quadrilateral.
Name a pair of adjacent sides.
Determine the number of sides of a polygon whose exterior and interior angles are in the ratio 1 : 5.
Complete the following statement by means of one of those given in brackets against each:
If opposite angles of a quadrilateral are equal, then it is necessarily a ....................
Use the information given in the following figure to find :
(i) x
(ii) ∠B and ∠C
In quadrilateral ABCD, side AB is parallel to side DC. If ∠A : ∠D = 1 : 2 and ∠C : ∠B = 4 : 5
(i) Calculate each angle of the quadrilateral.
(ii) Assign a special name to quadrilateral ABCD
The angles of a quadrilateral are in the ratio 2 : 4 : 5 : 7. Find all the angles
In quadrilateral HOPE, the pairs of opposite sides are ______.
What conclusion can be drawn from part of given figure, if DB is the bisector of ∠ADC?
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?
