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प्रश्न
Complete of the following, so as to make a true statement:
A quadrilateral is convex if, for each side, the remaining ______ lie on the same side of the line containing the side.
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उत्तर
A quadrilateral is convex if for each side, the remaining vertices lie on the same side of the line containing the side.
संबंधित प्रश्न
What is the sum of the measures of the angels of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try!)
In a quadrilateral, define of the following Opposite sides .
Complete of the following, so as to make a true statement:
A quadrilateral has ...... angles.
In Fig. 16.19, ABCD is a quadrilateral.
Name a pair of opposite angles.

If the bisectors of two adjacent angles A and B of a quadrilateral ABCD intersect at a point O such that ∠C + ∠D = k ∠AOB, then find the value of k.
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In the following figure, What is BD – BE?

What conclusion can be drawn from part of given figure, if DC is the bisector of ∠ADB, CA ⊥ DA and CB ⊥ DB?

Investigate :
Use strips and fasteners to make a triangle and a quadrilateral.
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Why is it that structures like electric towers make use of triangular shapes and not quadrilaterals?
