Advertisements
Advertisements
प्रश्न
Three angles of a quadrilateral are equal. If the fourth angle is 69°; find the measure of equal angles.
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 Sides.
In a quadrilateral, define of the following Diagonals .
In a quadrilateral, define of the following Exterior .
Complete of the following, so as to make a true statement:
The number of pairs of adjacent angles of a quadrilateral is .......
The four angles of a quadrilateral are as 3 : 5 : 7 : 9. Find the angles.
The sides of a quadrilateral are produced in order. What is the sum of the four exterior angles?
Complete the following statement by means of one of those given in brackets against each:
If both pairs of opposite sides of a quadrilateral are equal, then it is necessarily a ...............
Complete the following statement by means of one of those given in brackets against each:
f consecutive sides of a parallelogram are equal, then it is necessarily a ..................
If the bisectors of two adjacent angles A and B of a quadrilateral ABCD intersect at a point O such that ∠C + ∠D = k ∠AOB, then find the value of k.
Use the information given in the following figure to find :
(i) x
(ii) ∠B and ∠C
From the following figure find;
- x
- ∠ABC
- ∠ACD
ABCDE is a regular pentagon. The bisector of angle A of the pentagon meets the side CD in point M. Show that ∠AMC = 90°.
In a trapezium ABCD, side AB is parallel to side DC. If ∠A = x° and ∠D = (3x – 20)°; find the value of x.
The angles A, B, C and D of a trapezium ABCD are in the ratio 3: 4: 5: 6. Le. ∠A : ∠B : ∠C : ∠D = 3:4: 5 : 6. Find all the angles of the trapezium. Also, name the two sides of this trapezium which are parallel to each other. Give reason for your answer.
In an isosceles trapezium one pair of opposite sides are _____ to each Other and the other pair of opposite sides are _____ to each other.
In the figure, PQRS and PTVS are two cyclic quadrilaterals, If ∠QRS = 100°, then ∠TVS =
Three angles of a quadrilateral are 75º, 90º and 75º. The fourth angle is ______.
A diagonal of a rectangle is inclined to one side of the rectangle at 25º. The acute angle between the diagonals is ______.
The diagonals of the quadrilateral DEFG are ______ and ______.
In the given figure.
∠AOE is a/an ______ angle
The number of straight angles in figure is ______.
In given figure, name any four angles that appear to be acute angles.
In given figure, What is AE + EC?
Using the information given, name the right angles in part of figure:
RS ⊥ RW
What conclusion can be drawn from part of given figure, if BD bisects ∠ABC?
Draw a rough sketch of a quadrilateral KLMN. State two pairs of opposite sides.
Draw a rough sketch of a quadrilateral KLMN. State two pairs of opposite angles.
