Question

Given ΔABC ~ ΔDEF, if ∠A = 45° and ∠E = 35° then ∠B = ?

Options

• 45°

• 35°

• 25°

• 40°

Answer 1

35°

In ΔABC and ΔDEF,

ΔABC ~ ΔDEF    ...(Given)

∴ ∠B ≅ ∠E            ...(Corresponding angles of similar triangles)

But ∠E = 35°     ...(Given)

∴  ∠B = 35°.