Advertisements
Advertisements
प्रश्न
Three angles of a quadrilateral are equal. If the fourth angle is 69°; find the measure of equal angles.
Advertisements
उत्तर
Let each equal angle be x°
x + x + x + 69° = 360°
3x = 360°- 69
3x = 291
x = 97°
Each, equal angle = 97°
संबंधित प्रश्न
ABCD is a parallelogram, AD is produced to E so that DE = DC and EC produced meets AB produced in F. Prove that BF = BC.
In a quadrilateral, define of the following Exterior .
Complete of the following, so as to make a true statement:
The number of pairs of opposite angles of a quadrilateral is .......
In a quadrilateral ABCD, CO and DO are the bisectors of ∠C and ∠D respectively. Prove that \[∠COD = \frac{1}{2}(∠A + ∠B) .\]
In the given figure, PQRS is an isosceles trapezium. Find x and y.
Angles of a quadrilateral are (4x)°, 5(x+2)°, (7x – 20)° and 6(x+3)°. Find :
(i) the value of x.
(ii) each angle of the quadrilateral.
Two diagonals of an isosceles trapezium are x cm and (3x – 8) cm. Find the value of x.
Observe the figure below and find out their name.
Observe the figure below and find out their name.
ABCDE is a pentagon in which AB is parallel to DC and ∠A : ∠E : ∠D = 1 : 2 : 3. Find angle A.
In the figure, PQRS and PTVS are two cyclic quadrilaterals, If ∠QRS = 100°, then ∠TVS =
Number of angles less than 180° in the following figure is ______ and their names are ______.
The number of straight angles in the following figure is ______.
The common part between the two angles BAC and DAB in the following figure is ______.
In the following figure, What is AC – EC?
Using the information given, name the right angles in part of figure:
BA ⊥ BD
Using the information given, name the right angles in part of figure:
AC ⊥ BD
Using the information given, name the right angles in part of figure:
AE ⊥ CE
Which of the following is a key requirement for correctly naming a □ABCD?
