question_answer

In \[\Delta \text{ABC},\text{ }\angle \text{A}=\text{9}0{}^\circ \], \[\text{AN}\bot \text{BC}\], BC = 12 cm and AC = 5 cm. Find the ratio \[ar(\Delta ANC):ar(\Delta ABC)\]

A)  \[{{12}^{2}}:{{5}^{2}}\]                                

B)  \[{{3}^{2}}:{{12}^{2}}\]

C)  \[{{5}^{2}}:{{12}^{2}}\]                                

D)  \[{{3}^{2}}:{{5}^{2}}\]