Advertisements
Advertisements
प्रश्न
If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is ______.
विकल्प
100°
80°
160°
40°
Advertisements
उत्तर
If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is 40°.
Explanation:
A rhombus is also a parallelogram so, the opposite angles will be congruent.
Thus, (2x)° = (3x - 40)°
3x - 2x = 40°
x = 40°
APPEARS IN
संबंधित प्रश्न
Name the quadrilaterals whose diagonals are perpendicular bisectors of each other
Can the following figure be parallelogram. Justify your answer.
If an angle of a parallelogram is two-third of its adjacent angle, find the angles of the parallelogram.
The sum of two opposite angles of a parallelogram is 130°. Find all the angles of the parallelogram.
The perimeter of a parallelogram is 150 cm. One of its sides is greater than the other by 25 cm. Find the length of the sides of the parallelogram.
Diagonals of parallelogram ABCD intersect at O as shown in the following fegure. XY contains O, and X, Y are points on opposite sides of the parallelogram. Give reasons for each of the following:
(i) OB = OD
(ii) ∠OBY = ∠ODX
(iii) ∠BOY = ∠DOX
(iv) ∆BOY ≅ ∆DOX
Now, state if XY is bisected at O.
Which of the following statement is true for a rhombus?
It has two pairs of equal sides.
Which of the following statement is true for a rhombus?
It is a square.
Fill in the blank, inthe following, so as to make the statement true:
A square is a rhombus in which .....
Fill in the blank, inthe following, so as to make the statement true:
A rhombus has all its sides of ...... length.
Fill in the blank, in each of the following, so as to make the statement true:
If the diagonals of a parallelogram bisect each other at right angles, then it is a ......
ABCD is a rhombus. If ∠ACB = 40°, find ∠ADB.
One side of a rhombus is of length 4 cm and the length of an altitude is 3.2 cm. Draw the rhombus.
Show that each diagonal of a rhombus bisects the angle through which it passes.
Measure of one angle of a rhombus is 50°, find the measures of remaining three angles.
ABCD is a rhombus. If ∠BCA = 35°. find ∠ADC.
The given figure shows a rhombus ABCD in which angle BCD = 80°. Find angles x and y.
All rhombuses are squares.
