Advertisements
Advertisements
प्रश्न
Sketch proper figure and write the answer of the following question.
If X-Y-Z and l(XZ) = `3sqrt7`, l(XY) = `sqrt7`, then l(YZ) = ?
Advertisements
उत्तर
We have,
l(XZ) = 3`sqrt7`; l(XY) = `sqrt7`
Now,
l(XZ) = l(XY) + l(YZ) ...(X-Y-Z)
So, l(YZ) = l(XZ) − l(XY)
∴ l(YZ) = `3sqrt7 − sqrt7`
∴ l(YZ) = `2sqrt7`
APPEARS IN
संबंधित प्रश्न
Find the distance with the help of the number line given below.
d (Q, B)
If the co-ordinate of A is x and that of B is y, find d(A, B).
x = -3, y = -6
Sketch proper figure and write the answer of the following question.
If A- B - C and l(AC) = 11, l(BC) = 6.5, then l(AB) = ?
On a number line, co-ordinates of P, Q, R are 3, -5 and 6 respectively. State with reason whether the following statement is true or false.
d(P, Q) + d(Q, R) = d(P, R)
On a number line, co-ordinates of P, Q, R are 3, -5 and 6 respectively. State with reason whether the following statement is true or false.
d(P, R) + d(R, Q) = d(P, Q)
Co-ordinates of the pair of points are given below. Hence find the distance between the pair.
- 25, - 47
If A-B-C and d(A, C) = 17, d(B, C) = 6.5 then d(A, B) = ?
Find the distance between the following pair of points
(3, 4) and (−7, 2)
Show that the following points taken in order to form an equilateral triangle
`"A"(sqrt(3), 2), "B"(0, 1), "C"(0, 3)`
Show that the following points taken in order to form the vertices of a parallelogram
A(−3, 1), B(−6, −7), C(3, −9) and D(6, −1)
Verify that the following points taken in order to form the vertices of a rhombus
A(3, −2), B(7, 6), C(−1, 2) and D(−5, −6)
Let A(2, 3) and B(2, −4) be two points. If P lies on the x-axis, such that AP = `3/7` AB, find the coordinates of P.
Show that the point (11, 2) is the centre of the circle passing through the points (1, 2), (3, −4) and (5, −6)
The radius of a circle with centre at origin is 30 units. Write the coordinates of the points where the circle intersects the axes. Find the distance between any two such points.
Find the distance with the help of the number line given below.
d(K, O)
Find the distance with the help of the number line given below.
d(O, E)
Find the distance with the help of the number line given below.
d(P, J)
