Question

In the given figure:

विकल्प

• △ ABE ~ △ ADE

• △ ADE ~ △ ABC

• △ ADE ~ △ BAC

• △ ADE ~ △ CAB

Answer 1

△ ADE ~ △ ABC

Explanation:

From figure,

⇒ ∠BAE = x (let)

⇒ ∠DAB = ∠EAC = y (let)

⇒ ∠AED = ∠ACB = z (let)

⇒ ∠DAE = ∠DAB + ∠BAE = y + x

⇒ ∠BAC = ∠BAE + ∠EAC = x + y

⇒ ∠DAE = ∠BAC = x + y

In △ ABC and △ ADE,

⇒ ∠DAE = ∠BAC (Proved above)

⇒ ∠AED = ∠ACB (Both equal to z)

∴ △ ADE ~ △ ABC (By A.A. axiom)