Question

Some points are shown in the figure 7.11
Y
With the help of it answer the following questions :
(1) Write the co-ordinates of the points
3
.P
Q:
21
Q and R.
14
(i) Write the co-ordinates of the points
-4 -3 -2 -1
0 1
2
M
3 4
•R
T and M.
-1 T
(iii) Which point lies in the third quadrant ?
S
-31
(iv) Which are the points whose x and
y co-ordinates are equal ?
Fig. 7.11​

Answer 1

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Geothermal power plants use steam to produce electricity. The steam comes from reservoirs of hot water found a few miles or more below the earth's surface. The steam rotates a turbine that activates a generator, which produces electricity.