मराठी

AB ⊥ BC, AC = 20 cm, CD = 5 cm, ∠ACB = 60°, AE = ______. - Mathematics

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प्रश्न

AB ⊥ BC, AC = 20 cm, CD = 5 cm, ∠ACB = 60°, AE = ______.

पर्याय

  • `10sqrt3` cm

  • `(10sqrt3 + 5)` cm

  • `(10sqrt3 − 5)` cm

  • 15 cm

MCQ
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उत्तर

AB ⊥ BC, AC = 20 cm, CD = 5 cm, ∠ACB = 60°, AE = `bbunderline((10sqrt3 + 5) cm`.

Explanation:

In triangle △ACB, using ∠ACB = 60° and AC = 20 cm,

get AB = `10sqrt3`cm.

Since DE = CD = 5 cm and AE = AB + DE.

AE = `10sqrt3` + 5 cm.

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पाठ 20: Simple 2-D Problems in Right Triangle - MULTIPLE CHOICE QUESTIONS [पृष्ठ २४५]

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बी निर्मला शास्त्री Mathematics [English] Class 9 ICSE
पाठ 20 Simple 2-D Problems in Right Triangle
MULTIPLE CHOICE QUESTIONS | Q 3. | पृष्ठ २४५
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