Question

In ΔABC,∠BAC = 90° and AD ⊥ BC. BD = 9cm , DC = 16cm Then find AD and AC

Answer 1

Answer:

AD=12cm & AC=20cm

Step-by-step explanation:

In∆ABC,

AngleBAC=90°

segAD perpendicular to segBC

•°•AD²=BD×DC

•°•AD²=9×16

•°•AD²=144

•°•AD=√144

•°•AD=12cm

In∆ADC,

by pythagoras theorem

AC²=AD²+DC²

•°•AC²=144+256

•°•AC²=400

•°•AC=√400

•°•AC=20cm

Answr:AD=12cm & AC=20cm

Have a good day