Question

triangle a=2,3 4,6 c=8,10 find area full formate
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Answer 1

Answer:

ABC has vertices A(4,2),B(3,9) and C(10,10).

The area of a triangle formed by joining the points (x1,y1 ),(x 2,y2),(x3,y3) is

2

1

∣x

1

(y

2

−y

3

)+x

2

(y

3

−y

1

)+x

3

(y

1

−y

2

)∣

∴ Area of △ABC21

∣4(9−10)+3(10−2)+10(2−9)∣=21

∣−4+24−70∣=2

50=25

Hence, area of triangle ABC is 25.