wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In Δ ABC, AC = 15 cm and DEBC. If ABAD=3, find EC.

Open in App
Solution

From basic proportionality theorem since DEBC,
ADDB=AEEC
ABAD=AD+DBAD=1+DBAD1+DBAD=3DBAD=2ADDB=AEEC=122AE=ECAC=AE+EC(1)
Substituting value of EC and AC in (1),
15=3AE5=AEEC=10cm

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Basic Proportionality Theorem
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon