Question

BC is 16 cm
AB is 12 cm
BD is 28 cm
and
BE is 20 cm
show that ∆ABC is congruent to ∆CED​

Answer 1

Answer:

it's coordinates geometry chapter

in this chapter

the formula of triangle is

area of triangle= ½ {x¹(y²-y³)+ x²(y³-y¹)+ x³(y¹-y²)}