What is the reflection of the point (6, -3) in the line y = 2?1). (-2 , -3)2). (6 , 7)3). (-6 , 7)4). (-2 , 3)
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1. The angles of a triangle are in the ratio of 1 ∶ 2 ∶ 3. What is the measure of the smallest angle (in degrees)?
2. The measure of an angle whose supplement is three times as large as its complement, is
3. In a △ABC, BE and CF are two medians perpendicular to each other and if AB = 10 cm and AC = 5 cm. Find the length of BC.
4. What is the reflection of the point (5, -1) in the line y = 2?
5. In what ratio is the segment joining (-1, -12) and (3, 4) divided by the x - axis
6. The co-ordinates of the centroid of a triangle ABC are (-1 , 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3 , -1) and (3 , 5) respectively
7. The side BC of $\triangle ABC$ is produced to D. If $\angle ACD$ = $114^{0}$ and $\angle ABC$= $\left(\frac{1}{2}\right)\angle BAC$, then what is the value (in degrees) of $\angle BAC$?
8. BL and CM are medians of $\triangle ABC$ right-angled at A and BC = 5 cm.If BL = $\frac{3\sqrt{5}}{2}$cm,then the length of CM is
9. The co-ordinates of the centroid of a triangle ABC are (1, -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3, -4) and (0, 5) respectively?
10. The length of the diagonal BD of the parallelogram ABCD is 18 cm . If P and Q are the centroid of the $\triangle ABC$ and $\triangle ADC$ respectively then the length of the line segment PQ is
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