Question

mathematics
pls answer the above sum.​

Answer 1

Answer:

By section formula,

BC = √ ( 8+4)^2 + (1-6)^2

= √ (12)^2 + (-5)^2

= √ 144+25

= √169 = 13units.

AB = √ (6-1)^2 + (-4-4)^2

=√(5)^2 + (-8)^2

= √ 25 + 64

= √ 89

now, area of triangle = 1/2 × base × height

= 1/2 × 13 × √89

= (13√89)/2 unit square.