Embibe Experts Solutions for Chapter: Coordinate Geometry, Exercise 1: Tamilnadu Board-2018

Slope of the straight line which is perpendicular to the straight line joining the points $(-2, 6)$ and $(4, 8)$ is equal to:

The centre of a circle is $(-6, 4)$. If one end of the diameter of the circle is at $(-12, 8)$ then the other end is at:

Find the equation the straight line whose slope is $\frac{2}{3}$ and passing through $\left(5,-4\right)$.

Find the area of the quadrilateral whose vertices are $\left(-3,4\right),\left(-5,-6\right),\left(4,-1\right)$ and $\left(1,2\right)$.

The mid points $D,E,F$ of the sides of a triangle $ABC$ are $(3,4), (8,9)$ and $(6,7)$ respectively. Find the vertices of the triangle.

A bus travels at a speed of $40 \mathrm{km}/\mathrm{h}$. Write the distance-time formula and draw the graph of it. Hence, find the distance travelled in $3 \mathrm{hours}$.

The cost of milk per litre is $₹15$. Draw the graph for the relation between the quantity and cost. Hence find the proportionality constant.

The cost of milk per litre is $₹15$. Draw the graph for the relation between the quantity and cost. Hence find the cost of $3$ litres of milk..