Advertisements
Advertisements
प्रश्न
Two diagonals of an isosceles trapezium are x cm and (3x – 8) cm. Find the value of x.
Advertisements
उत्तर
∵ The diagonals of an isosceles trapezium are of equal length

∴ 3x – 8 = x
⇒ 3x – x = 8 cm
⇒ 2x = 8 cm
⇒ x = 4 cm
∴ The value of x is 4 cm
APPEARS IN
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.
Complete the following statement by means of one of those given in brackets against each:
A line drawn from the mid-point of one side of a triangle .............. another side intersects the third side at its mid-point.
Given : In quadrilateral ABCD ; ∠C = 64°, ∠D = ∠C – 8° ; ∠A = 5(a+2)° and ∠B = 2(2a+7)°.
Calculate ∠A.
ABCDE is a regular pentagon. The bisector of angle A of the pentagon meets the side CD in point M. Show that ∠AMC = 90°.
Three angles of a quadrilateral are 75º, 90º and 75º. The fourth angle is ______.
If angles A, B, C and D of the quadrilateral ABCD, taken in order, are in the ratio 3 : 7 : 6 : 4, then ABCD is a ______.
In quadrilateral ROPE, the pairs of adjacent angles are ______.
In the following figure, if point A is shifted to point B along the ray PX such that PB = 2PA, then the measure of ∠BPY is ______.

What conclusion can be drawn from part of given figure, if DC is the bisector of ∠ADB, CA ⊥ DA and CB ⊥ DB?

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