Question

1 A(1, 1), B(7,3) and C(3,6) are the vertices of a A ABC. If D is the midpoint of
BC and AL 1 BC, find the slopes of (i) AD and (ii) AL.

11th std report or brainlyest​

Answer 1

answer is

(i)7/8(ii)4/3

explanation ;

midpint D=[5,9/2]

A[1,1]

slope of AD= 1-9/2/1-5= -7/2 / -4= 7/8

slope of BC =3/-4= -3/4

slope of AL= 4/3

BC⊥AL

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