Question

verties 1)____ 2____ 3____?​

Answer 1

Step-by-step explanation:

ANSWER

Area of the triangle with three vertices (x

1

,y

1

), (x

2

,y

2

) and (x

3

,y

3

) is

A=

2

1

∣y

1

(x

2

−x

3

)+y

2

(x

3

−x

1

)+y

3

(x

1

−x

2

)∣

Therefore, the area of triangle with vertices (1,2), (3,4) and (5,6) is:

A=

2

1

∣0(2−5)+3(5−0)+8(0−2)∣=

2

1

∣0+15−16∣=

2

1

∣−1∣=

2

1

....(Because ∣−1∣=1)

Hence, the area of the triangle is

2

1

.