Question

plz answer this question ​

Answer 1

Step-by-step explanation:

Use congruent formula and side ratio formula.

....................... ............... ................................. ....

Here AD/DB=8:1

And triangle ADE is congruent to triangle ABC

[ ANGLE A IS COMMON, ANGLE D = ANGLE B {parallel}, angle e= angle C]

Hence :

Ad/db=ae/ec=8/1............(1)

And triangle ade is congruent to triangle ecf....... (2)

It is enough for you.. So you can calculate...