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In a triangle ABC angla a …

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In a triangle ABC angla a is 90 degree , side AB is 5m and side AC is 9m then find side BC ?

Posted by Gaurav Kumar Aryan 5 years, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Nishtha Khandelwal 5 years, 4 months ago

Root 106

Deepika Shah 5 years, 4 months ago

we know that by phythagorar thm. we get, BC^2 = AC^2 + AB^2 BC^2 = (9)^2 + (5)^2 BC^2= 81 + 25 BC^2 = 106 BC = ROOT 106

Himangshu Das 5 years, 4 months ago

AB=5m,AC=9m By Pythagoras theorem, BC²=AB²+AC² =)BC=√5²+9² =)BC=√25+81 =)BC=√106 =)BC=10.3m

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