Question

Seema placed a light bulb at a point O on the ceiling and deirectly below it
placed a table. Now she put a cardboard of shape ABCD between table
and lighted bulb. Then a shadow of ABCD is cast on the table as A|
B
|
C
|D
|
.
Quadrilateral A
|
B
|
C
|D
|
is an enlargement of ABCD with scale factor 1 : 2.
Also, AB= 1.5 cm, BC= 2.5 cm, CD= 2.4 cm and AD= 2.1 cm, ∠A=105°, ∠B=
100°, ∠C= 70° and ∠D= 85

Answer 1

Ab=1•5cm, Bc=2•5CM, CD =2•4cm