Advertisements
Advertisements
प्रश्न
Two adjacent angles of a parallelogram are 70° and 110° respectively. Find the other two angles of it.
Advertisements
उत्तर
Given two adjacent angles of a parallelogram are 70° and 110° respectively.

Since, we know that opposite angles of a parallelogram are equal
∴∠C = ∠A = 70° and ∠D = ∠B = 110°
APPEARS IN
संबंधित प्रश्न
The perimeter of a parallelogram is 22 cm . If the longer side measures 6.5 cm what is the measure of the shorter side?
Complete of the following, so as to make a true statement:
The number of pairs of adjacent angles of a quadrilateral is .......
In the given figure, ABCD is a trapezium. Find the values of x and y.

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 ...............
In ΔABC, E is the mid-point of median AD such that BE produced meets AC at F. IF AC = 10.5 cm, then AF =
One diagonal of a rectangle is 18 cm. What is the length of its other diagonal?
Number of angles less than 180° in the following figure is ______ and their names are ______.

In the following figure, name any four angles that appear to be acute angles.

Can we have two obtuse angles whose sum is a reflex 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?
