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Byju's Answer
Standard IX
Mathematics
Area of a Triangle - by Heron's Formula
Find the area...
Question
Find the area of pentagon ABCDE in which BL ⊥ AC, CM ⊥ AD and EN ⊥ AD such that AC = 10 cm, AD = 12 cm, BL = 3 cm, CM = 7 cm and EN = 5 cm.