Question

9: in the adjoining figure, all measurements are in the centimeters.
If AD is perpendicular to BC , find the length of AB

10: in the adjoining figure,ABand CD are two vertical poles of height 19m and 11m respectively. If the shortest distance between their tops is 17m ,ind how far apart they are?

Answer 1

this is the answer to the first part

Answer 2

Answer:

Q9 AB = 17 units.

Step-by-step explanation:

===========================

As BC=28 take DC as x

Then u will get BD as 28-x

=========================

Use pythagoras thm-

1st find value of x by it.

then apply same at AB