Question

1. Let & ABC - A DEF and their areas be, respectively. 64 cm and 121 cm. If EF =
15,4 cm, Gind BC
2. Diagonals of a trapezium ABCD with AB II DC intersect each other at the point o
IfAB-2CD, find the ratio of the areas of triangles AOB and COD.​

Answer 1

Step-by-step explanation:

△ABC∼△DEF

⟹

Ar(ΔDEF)

Ar(ΔABC)

=(

EF

BC

)

2

121

64

=(

15.4

BC

)

2

BC=

121

64

×15.4

BC=

11

8

×15.4=11.2cm

Answer 2

Answer:

Assmulkium

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