Question

if the area of triangle with vertices0,0 1,6 0,a find the value ofa​

Answer 1

Answer:

ANSWER

Area of triangle =

2

1

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

x

1

0

0

1

2

1

1

1

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

∣

=4

⇒∣x(1−2)−1(0−2)+0∣=8

⇒∣−x+2∣=∣x−2∣=8

⇒x−2=±8⇒x=±8+2=−6,10