Advertisements
Advertisements
प्रश्न
In Fig. 16.19, ABCD is a quadrilateral.
How many pairs of adjacent sides are there?
Advertisements
उत्तर
\[ \text{ Four } \]
संबंधित प्रश्न
Given here are some figures:
 |
 |
 |
 |
 |
 |
 |
 |
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.
How many pairs of adjacent angles are there?
Mark the correct alternative in each of the following:
The opposite sides of a quadrilateral have
In a quadrilateral ABCD, ∠A = 72° and ∠C is the supplementary of ∠A. The other two angles are 2x – 10 and x + 4. Find the value of x and the measure of all the angles
In the following figure, if point A is shifted to point B along the ray PX such that PB = 2PA, then the measure of ∠BPY is ______.
A pair of opposite sides of a trapezium are ______.
Using the information given, name the right angles in part of figure:
RT ⊥ ST
Using the information given, name the right angles in part of figure:
AC ⊥ BD
Can we have two obtuse angles whose sum is a complete angle? Why or why not?
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?
