Mathematics · Geometry
In right-angled triangle DEC, DE = 18 cm, CE = 5 cm, and ∠DEC = 90°. This triangle is similar to triangle ABC, where ∠ABC corresponds to ∠EDC. If tan(∠ABC) = 3.6, which of the following is correct regarding the angles?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1∠A = 2∠E✓
- 2∠A = 3∠B
- 3∠A = 2∠D
- 4∠A = 4∠C
Correct answer
∠A = 2∠E
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