Mathematics · Geometry
The hypotenuse AC of a right-angled triangle ABC is 3√5 cm. If AB is doubled and BC is tripled such that ABC remains a right-angled triangle, the hypotenuse becomes 15 cm. What is AB + BC equal to?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18 cm
- 22√5 cm
- 39 cm✓
- 410 cm
Correct answer
9 cm
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