हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Three Angles of a Quadrilateral Are Equal. If the Fourth Angle is 69°; Find the Measure of Equal Angles.

Advertisements
Advertisements

प्रश्न

Three angles of a quadrilateral are equal. If the fourth angle is 69°; find the measure of equal angles.

योग
Advertisements

उत्तर

Let each equal angle be x°

x + x + x + 69° = 360°

3x = 360°- 69

3x = 291

x = 97°

Each, equal angle = 97°

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 27: Quadrilateral - Exercise 27 (A)

APPEARS IN

सेलिना Mathematics [English] Class 6
अध्याय 27 Quadrilateral
Exercise 27 (A) | Q 9
सेलिना Concise Mathematics [English] Class 8 ICSE
अध्याय 16 Understanding Shapes
Exercise 16 (C) | Q 9 | पृष्ठ १८७

संबंधित प्रश्न

How many diagonals does following have?

A convex quadrilateral


How many diagonals does following have?

A regular hexagon


In a quadrilateral, define of the following Interior .


Complete of the following, so as to make a true statement:

The number of pairs of opposite angles of a quadrilateral is .......


Complete of the following, so as to make a true statement: 

The sum of the angles of a quiadrilateral is .... right angles.


In Fig. 16.19, ABCD is a quadrilateral.

 Name a pair of adjacent angles.


Determine the number of sides of a polygon whose exterior and interior angles are in the ratio 1 : 5.

 

The following figure shows a quadrilateral in which sides AB and DC are parallel. If ∠A : ∠D = 4 : 5, ∠B = (3x – 15)° and ∠C = (4x + 20)°, find each angle of the quadrilateral ABCD.


Calculate the measure of each angle of a nonagon.


In the figure, PQRS and PTVS are two cyclic quadrilaterals, If ∠QRS = 100°, then ∠TVS =


What is the maximum number of obtuse angles that a quadrilateral can have?


In the following figure, ∠XYZ cannot be written as ______.


In the following figure,


∠COA is a/an ______ angle


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


In the following figure, name any two angles that appear to be obtuse angles.


Using the information given, name the right angles in part of figure:

AC ⊥ CD


Using the information given, name the right angles in part of figure:

OP ⊥ AB


Can we have two obtuse angles whose sum is a reflex angle? Why or why not?


Which of the following represents the vertices of quadrilateral ABCD?


Which of the following is a key requirement for correctly naming a □ABCD?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×