Question

J15
7. In triangle ABC, BAC = 90° and
AD is perpendicular to BC. If AD
= 6 cm and BD = 4 cm, then the
length of BC is :​

Answer 1

Answer:

13cm

Step-by-step explanation:

length of perpendicular (I.eAD) is given by

AD2 =BC×DC

6×6=4×DC

DC=3×3=9CM

Thus,

BC= BD+DC= 4+9= 13cm

#Hope it is helpful, please mark as brainliest