Advertisements
Advertisements
प्रश्न
Define the following term Convex Quadrilateral .
उत्तर
A convex quadrilateral is a mathematical figure whose every internal angle is less than or equal to 180 degrees.
APPEARS IN
संबंधित प्रश्न
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.
Three angles of a quadrilateral are equal. If the fourth angle is 69°; find the measure of equal angles.
ABCDE is a pentagon in which AB is parallel to DC and ∠A : ∠E : ∠D = 1 : 2 : 3. Find angle A.
What is the maximum number of obtuse angles that a quadrilateral can have?
Both the pairs of opposite angles of a quadrilateral are equal and supplementary. Find the measure of each angle.
A pair of opposite sides of a trapezium are ______.
Using the information given, name the right angles in part of figure:
AC ⊥ BD
Using the information given, name the right angles in part of figure:
OP ⊥ AB
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?