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

Name the quadrilaterals whose diagonals are perpendicular bisectors of each other


Given below is a parallelogram ABCD. Complete each statement along with the definition or property used.
(i) AD =
(ii) ∠DCB =
(iii) OC =
(iv) ∠DAB + ∠CDA =

 


The following figure is parallelogram. Find the degree values of the unknown xyz

 


In the adjacent figure HOPE is a parallelogram. Find the angle measures x,y and z. State the geometrical truths you use to find them.

 


If an angle of a parallelogram is two-third of its adjacent angle, find the angles of the parallelogram.


Two adjacent sides of a parallelogram are 4 cm and 3 cm respectively. Find its perimeter.


Find the angles marked with a question mark shown in Fig. 17.27 

 


In the following  Figure  ABCD is a  arallelogram, CE bisects ∠C and AF bisects ∠A. In each of the following, if the statement is true, give a reason for the same:

(i) ∠A = ∠C
(ii) \[\angle FAB = \frac{1}{2}\angle A\] 

(iii) \[\angle DCE = \frac{1}{2}\angle C\]

(iv) \[\angle CEB = \angle FAB\]

(v) CE || AF 


Points E and F lie on diagonal AC of a parallelogram ABCD such that AE = CF. What type of quadrilateral is BFDE?


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? 

 It has two pairs of parallel sides. 


Which of the following statement is true for a rhombus? 

It has only two pairs of equal sides.


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.


The diagonals of a quadrilateral are of lengths 6 cm and 8 cm. If the diagonals bisect each other at right angles, what is the length of each side of the quadrilateral?


ABCD is a rhombus. If ∠BCA = 35°. find ∠ADC.


If the diagonal of a rhombus are equal, then the rhombus is a


In the figure, BEST is a rhombus, Then the value of y – x is ______.


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.


ABCD is a rhombus such that the perpendicular bisector of AB passes through D. Find the angles of the rhombus.

Hint: Join BD. Then ∆ABD is equilateral.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×