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Find the area of a right …

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Find the area of a right angled triangle whose hypotenuse is 25cm and base is 7cm

Posted by Aman Gupta 8 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Sahdev Sharma 8 years, 5 months ago

Using Pythagoras Theorm

{tex}Height = \sqrt {(hypotenuse)^2-(base)^2}{/tex}

{tex}= \sqrt{625-49}{/tex}

{tex}= \sqrt{576}= 24 {/tex} cm

Area of ∆ = {tex}{1\over 2}\times base\times height{/tex}

= {tex}{1\over2}\times 7\times 24= 84\ cm^2{/tex}

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CBSE > Class 09 > Mathematics