Question 1: Write down the coordinates of each of the points and
shown in the adjoining graph.
Answer:
Question 2: Plot the following points in rectangular coordinate system. In which quadrant do they lie? i) (ii)
(iii)
(iv)
(v)
(vi)
(vii)
(vii)
.
Answer:
Question 3: On which axis do the following points lie? (i) (ii)
(iii)
(iv)
Answer:
(i) (ii)
(iii) (iv)
Question 4: Plot the points and join them in order. What figure do you get?
Answer:
Question 5: Let be a square of side
. Find the coordinates of the vertices of this Square when
(i) coincides with the origin and
and
are along
and
respectively.
(ii) The center of the square is at the origin and coordinate axes are parallel to the sides and
respectively.
Answer:
i)
ii)
Question 6: The base of two equilateral triangles
and
with side
lies along
axis such that the mid-point of
is at the origin. Find the coordinates of the vertices
and
of the triangles.
Answer:
Question 7: Draw the quadrilateral whose vertices are:
(i) and
(ii) and
(iii) and
Name the type of quadrilateral so formed in each case.
Answer:
i)

ii)

iii)

Question 8: Plot the points and
in a rectangular coordinate system. Mark midpoint of
as
. Write its coordinates. Draw the median of
passing through
and write the coordinates of its centroid.
Answer: