What is the reflection of the point (5, -2) in the line y = -1?1). (-7 , -2 )2). (-5 , 0)3). (5 , 0)4). (-7 , 2)
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(5 , 0)
1. I is the incentre of $\triangle ABC$. If $\angle ABC$ = $60^{0}$,$\angle BCA$ = $80^{0}$, then the $\angle BIC$ is
2. Slope of the line AB is $-\frac{4}{3}$. Co-ordinates of points A and B are (x, -5) and (-5, 3) respectively. What is the value of x?
3. If the circumradius of an equilateral triangle ABC be 8 cm, then the height of the triangle is
4. $\triangle ABC$ and $\triangle DEF$ are similar. Also $\angle A$ = $\angle D$ and $\angle B$ = $\angle E$. If 4AB = DE and BC = 12 cm, then EF is equal to
5. The area of the trapezium is 312 cm2, then the distance between the parallel sides whose lengths are 25 cm and 27 cm respectively, is
6. The distance between the centers of two circles is 60 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?
7. ABC is an equilateral triangle and CD is the internal bisector of $\angle C$ .If DC is produced to E such that AC = CE, then $\angle CAE$ is equal to
8. PQR is a right angled triangle in which PQ = QR. If the hypotenuse of the triangle is 20 cm, then what is the area (in cm2) of the triangle PQR?
9. PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If $\angle QSR$ = $30^{0}$, then what is the value (in degrees)of $\angle POR$?
10. Which of the following triangle has the maximum area when inscribed inside the circle of same radius?
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