Question

In the given figure, AB and DE are perpendicular to BC. If AB=9cm,DE=3cm and AC=24cm, calculate AD.

A
16cm
Correct Answer
B
17cm
C
18cm
D
19cm​

Answer 1

Answer:

Answer (a) 16cm

Step-by-step explanation:

Given, ∠ABC=∠DEC=90

∘

In △ABC and △DEC,

∠ABC=∠DEC (Each 90

∘

)

∠ACB=∠DCE (Common)

∠BAC=∠CDE (third angle)

Thus, △ABC∼△DEC

Hence,

DE

AB

=

DC

AC

3

9

=

24−AD

24

24−AD=8

AD=16 cm

Answer 2

Answer:

Ans:16

Step-by-step explanation:

HOPE it will help you..... .