Question

1) If A (-3,0), B(3,0) C (k, 0) are vertices of triangle ABC whose area is 9 sq. units then value of k ?
a) 3 and -3
b) 3
c) 2.
d) – 2 and 2​

Answer 1

Answer:

plz mark brainliest tyvm!!!

Step-by-step explanation:

( if u dont get the attachment,,, its simply the formula of area of triangle excep that we cant write it in a format, hence they are written below one another , rest is the same.

i.e area of triangle : 1/2 | x1 ( y1-y2) + x2(y2-y3) + x3 (y1-y2) |

and then u simplify further)

Answer 2

Step-by-step explanation:

Answer :

A

Solution :

Let the vertices of the

be <br>

and

. <br>

Area of

<br> Given, area is 9 <br>

<br>

<br>