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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Use the Information Given in the Figure to Find the Length Ad.

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प्रश्न

Use the information given in the figure to find the length AD.

योग
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उत्तर

Given:
AB = 20 cm
∴ AO = `"AB"=20/2` = 10cm
BC = OD = 24 cm

To find: Length of AD
In right angled triangle
AOD (AD)2 = (AO)2 + (OD)2
(AD)2 = (10)2 + (24)2
(AD)2 = 100 + 576
(AD)2 = 676
∴ AD =  `sqrt(26xx26)`
AD = 26 cm

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अध्याय 18: Pythagoras Theorem - Exercise 16

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आर.के. बंसल Concise Mathematics [English] Class 7 ICSE
अध्याय 18 Pythagoras Theorem
Exercise 16 | Q 14

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