मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ९ वी

If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is ______.

Advertisements
Advertisements

प्रश्न

If opposite angles of a rhombus are (2x)° and (3x - 40)° then value of x is ______.

पर्याय

  • 100°

  • 80°

  • 160°

  • 40°

MCQ
रिकाम्या जागा भरा
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°

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Quadrilaterals - Problem Set 5 [पृष्ठ ७४]

APPEARS IN

बालभारती Mathematics 2 [English] Standard 9 Maharashtra State Board
पाठ 5 Quadrilaterals
Problem Set 5 | Q 1. (iii) | पृष्ठ ७४

संबंधित प्रश्‍न

Can the following figure be parallelogram. Justify your answer.


The sum of two opposite angles of a parallelogram is 130°. Find all the angles of the parallelogram.


Diagonals of parallelogram ABCD intersect at O as shown in the following fegure. XY contains O, and XY 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.

 


In a parallelogram ABCDAB = 10 cm, AD = 6 cm. The bisector of ∠A meets DC in EAEand BC produced meet at F. Find te length CF

 


Which of the following statement is true for a rhombus? 

Two of its angles are at right angles 


Fill in the blank, inthe following, so as to make the statement true: 

A square is a rhombus in which .....


The diagonals of a quadrilateral are perpendicular to each other. Is such a quadrilateral always a rhombus? If your answer is 'No', draw a figure to justify your answer.


Construct a rhombus whose diagonals are of length 10 cm and 6 cm.


Draw a rhombus, having each side of length 3.5 cm and one of the angles as 40°.

 


ABCD is a rhombus whose diagonals intersect at O. If  AB = 10 cm, diagonal BD = 16 cm, find the length of diagonal AC.


Which of the following statement is true for a rectangle? 

Its diagonals are equal and bisect each other.


In a rhombus PQRS if PQ = 7.5 cm then find QR. If ∠QPS = 75° then find the measure of ∠PQR and ∠SRQ.


State with reason whether the following statement is ‘true’ or ‘false’.

Every parallelogram is a rhombus.


Measure of one angle of a rhombus is 50°, find the measures of remaining three angles.


The given figure shows a rhombus ABCD in which angle BCD = 80°. Find angles x and y.


If a diagonal of a quadrilateral bisects both the angles, then it is a ______.


If all sides of a quadrilateral are equal, it is a ______.


A Rangoli has been drawn on a flor of a house. ABCD and PQRS both are in the shape of a rhombus. Find the radius of semicircle drawn on each side of rhombus ABCD.


Construct a rhombus whose side is 5 cm and one angle is of 60°.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×