Advertisements
Advertisements
प्रश्न
In quadrilateral ROPE, the pairs of adjacent angles are ______.
Advertisements
उत्तर
In quadrilateral ROPE, the pairs of adjacent angles are ∠R, ∠O; ∠O, ∠P; ∠P, ∠E; ∠E, ∠R.
Explanation:

∠R, ∠O; ∠O, ∠P; ∠P, ∠E; ∠E, ∠R are the pair of adjacent angles because they have a common vertices.
APPEARS IN
संबंधित प्रश्न
In a convex hexagon, prove that the sum of all interior angle is equal to twice the sum of its exterior angles formed by producing the sides in the same order.
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 both pairs of opposite sides of a quadrilateral are equal, then it is necessarily a ...............
Which of the following quadrilateral is not a rhombus?
The angles A, B, C and D of a quadrilateral are in the ratio 2 : 3 : 2 : 3. Show this quadrilateral is a parallelogram.
In parallelogram ABCD, its diagonals intersect at point O. If OA = 6 cm and OB = 7.5 cm, find the length of AC and BD.

In parallelogram ABCD, ∠A = 90°
(i) What is the measure of angle B.
(ii) Write the special name of the parallelogram.
In the following figure, What is BD – DE?

Draw a rough sketch of a quadrilateral KLMN. State two pairs of adjacent angles.
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?
