Subject: Maths, asked on 31/3/18

## abcd is a cyclic quadrilateral in which angle a is equals to 2 x + 4 angle b is equals to x + 10 and angle c is equals to 4y-4 and angle d is equal to 4y-4,find x and y

Subject: Maths, asked on 24/3/18

## Q74?? 74. A square and an equilateral triangle have the same perimeter. Let A be the area of the circle circumscribed about the square and B be the area of the circle circumscribed about the equilateral in angle. if $\frac{A}{B}=\frac{p}{q}$, where HCF (p,q)=1, then the absolute value of (p-q) is

Subject: Maths, asked on 24/3/18

## Q. In figure; find the value of x.

Subject: Maths, asked on 24/3/18

## There are 2 concentric circles of radii 13 cm and 12 cm. Then the length of the chord of the outer circle which touches the inner circle is___

Subject: Maths, asked on 21/3/18

## prove that measure of arc= radius of circle*Angle subtended by arcr

Subject: Maths, asked on 17/3/18

## Plzz. Answer.. Q. No. 10 to 12 ​Q10. In figure ​$\angle$PQR = 100° where P, Q and R are points on the circle with centre O. Find ​$\angle$POR in the quadrilateral Q11. The length, breadth and height of a room are 5 m, 4 and 3 m respectively. Find the cost of whitewashing the walls of the room and the ceiling at the rate of Rs.7.50 per m2. Q12. Two coins are tossed simultaneously 500 times, and we get            Two heads : 105 times,              One head : 275 times,         Find the probability of occurrence of each of these events.

Subject: Maths, asked on 15/3/18

## Solve this: 18. In given figure ABC is an isosceles triangle with AB = AC and  find Or In the given figure O is centre of circle of radius  5cm. If Subject: Maths, asked on 12/3/18

## Answer plzzz fast↵ ​7. If a point C lies between two points A and B  such that  AC=BC then prove that AC=$\frac{1}{2}$AB. 8 If the difference between two supplementary  angles is 40$°$ Then  find the angles. 9 A chord of a  circle is equal to the radius of the  circle. Find the  angle subtended by the chord  at a point on the major arc. 10 construct an angle  of 135$°$ with ruler and compasse​

Subject: Maths, asked on 12/3/18

## Answer plzz fast Subject: Maths, asked on 10/3/18

## 4.  If a = 3 + b, then 1. 9 2. 27 3. 81 4. 18 10.  In the figure chord AB and CD when produced meet at point P. If then prove that $\angle APC=\frac{\theta -\alpha }{2}$. (O is the centre of the circle)

Subject: Maths, asked on 10/3/18

## Pls answer Q. In the given figure, a cyclic quadrilateral PQRS is shown and an isosceles triangle PST with PT = TS is shown. The line RST is a stright line. Also, PQ = QS  If $\angle$PST = 72° and $\angle$PSQ = 56°, then find :    (a) $\angle$PST (2 marks)    (b) $\angle$POS (2 marks)    (d) $\angle$POS (2 marks )    (d) $\angle$PRS (2 marks) Subject: Maths, asked on 10/3/18

## 9. Prove that the perpendicular bisector of a chord of a circular passes through the centre  os the circle .

Subject: Maths, asked on 10/3/18

## Pls tell how to prove his question . Prove the the perpendicular bisector of a chord of a circle passes through the centre of the circle.

Subject: Maths, asked on 7/3/18

## 26) In the adjoining figure, ABCD is a cyclic quadrilateral whose side AB is a diameter of the 4 circle. If

Subject: Maths, asked on 6/3/18

## 23.  In $∆$ABC, medians BE and CD are produced respectively to points X and Y such that CD = DX and BE = EY as shown in figure.  Show the points X, A and Y are collinear.  Also, show that A is the mid-point of XY. 24.  If O is the centre of a circle as shown in figure, then prove that x + y = z.

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