Question

In the given figure ∟ABC = 90, BD⊥ AC ,AB=12cm , BC=9cm, CA=15cm then the length of AD is
A. 3.6
B. 6.3
C. 6.6
D. 9.6

Answer 1

Answer:

7.5cm

Step-by-step explanation:

Since BD is prependicular to AC

D is the midpoint of AC

So

CA=AD+DC

=7.5+7.5=15cm

So AD=7.5cm

Hope I answered your question

and yes,you gave the wrong options

Answer 2

Answer:

7.5 cm

Step-by-step explanation:

Since BD is perpendicular to ACD is the mid point of AC

So

CA=AD+DC

=7.5+7.5=15cm

50AD=7.5cm

I hope it's help you.