Question

Pls help I'm puzzled

Answer 1

Answer:

2:1

Step-by-step explanation:

Both the square and triangle are on the the same base.

So,

ar(ABCD) = 1/2 ar(BCD)

So their ratio will be.

ar(ABCD)/ar(BCD) = 1/2

Therefore,

ar(BCD)/ar(ABCD) = 2:1.

Hope it helps.