Mathematics · Geometry

ΔABC is similar to ΔDEF, such that ΔDEF is an isosceles triangle and the non-equal angle of ΔDEF, which is ∠EDF = 70°. Find the value of ∠ACB.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1110°
255°✓
380°
475°

Correct answer

55°

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ΔABC is similar to ΔDEF, such that ΔDEF is an isosceles triangle and the non-equal angle of ΔDEF, which is ∠EDF = 70°. Find the value of ∠ACB.

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ΔABC is similar to ΔDEF, such that ΔDEF is an isosceles triangle and the non-equal angle of ΔDEF, which is ∠EDF = 70°. Find the value of ∠ACB.

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