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Statistics

Question
CBSEENMA9003262

Find the area of an isosceles triangle each of whose equal sides is 13 cm and whose base is 24 cm. 

Solution

Here, a = 24 cm
b = 13 cm
therefore space space space space space space space Area space equals space straight a over 4 square root of 4 straight b squared minus straight a squared end root
space space space space space space space space space space space space space space space space space equals space 24 over 4 square root of 4 left parenthesis 13 right parenthesis squared minus left parenthesis 24 right parenthesis squared end root
space space space space space space space space space space space space space space space space space equals space 60 space cm squared

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