Let , and be the vertices of . Point divides internally in the ratio ( ). What is…

MATHEMATICS · Single correct · CBSE · Mathematics · Coordinate Geometry · Coordinate Geometry

Problem

Let

A(2,1)

,

B(8,5)

and

C(14,1)

be the vertices of

\triangle ABC

. Point

D

divides

BC

internally in the ratio

1:3

(

BD:DC=1:3

). What is

\operatorname{ar}(\triangle ABD):\operatorname{ar}(\triangle ADC)

? (a)

3:1

(b)

1:3

(c)

1:9

(d)

1:4

Related theory

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