Question

The area of the ∆ABC is 72 sq. cm and AD = 3 cm is the height from A to BC . Find the length of BC. *

Answer 1

Step-by-step explanation:

take your answer and check if it correct enjoy

Answer 2

Answer:

BC=

Step-by-step explanation:

ar ABC= 72 sq.cm

AD=3cm

therefore,

area of a triangle = 1/2×base×height

= 72 = 1/2 × BC × AD

[ AD is the height and BC is the base as AD is from A to BC]

=72= 1/2 × 3 × BC

= (72 × 2)/3 = BC

= (24×2) = BC

= BC = 48